# Changelog All notable changes to this project will be documented in this file. See [Changelog Update](doc/changelog_update.md) if you want to update this document. ## Unreleased / In Rust Nightly [09bd400...master](https://github.com/rust-lang/rust-clippy/compare/09bd400...master) ## Rust 1.47 Current beta, release 2020-10-08 [c2c07fa...09bd400](https://github.com/rust-lang/rust-clippy/compare/c2c07fa...09bd400) ### New lints * [`derive_ord_xor_partial_ord`] [#5848](https://github.com/rust-lang/rust-clippy/pull/5848) * [`trait_duplication_in_bounds`] [#5852](https://github.com/rust-lang/rust-clippy/pull/5852) * [`map_identity`] [#5694](https://github.com/rust-lang/rust-clippy/pull/5694) * [`unit_return_expecting_ord`] [#5737](https://github.com/rust-lang/rust-clippy/pull/5737) * [`pattern_type_mismatch`] [#4841](https://github.com/rust-lang/rust-clippy/pull/4841) * [`repeat_once`] [#5773](https://github.com/rust-lang/rust-clippy/pull/5773) * [`same_item_push`] [#5825](https://github.com/rust-lang/rust-clippy/pull/5825) * [`needless_arbitrary_self_type`] [#5869](https://github.com/rust-lang/rust-clippy/pull/5869) * [`match_like_matches_macro`] [#5769](https://github.com/rust-lang/rust-clippy/pull/5769) * [`stable_sort_primitive`] [#5809](https://github.com/rust-lang/rust-clippy/pull/5809) * [`blanket_clippy_restriction_lints`] [#5750](https://github.com/rust-lang/rust-clippy/pull/5750) * [`option_if_let_else`] [#5301](https://github.com/rust-lang/rust-clippy/pull/5301) ### Moves and Deprecations * Deprecate [`regex_macro`] lint [#5760](https://github.com/rust-lang/rust-clippy/pull/5760) * Move [`range_minus_one`] to `pedantic` [#5752](https://github.com/rust-lang/rust-clippy/pull/5752) ### Enhancements * Improve [`needless_collect`] by catching `collect` calls followed by `iter` or `into_iter` calls [#5837](https://github.com/rust-lang/rust-clippy/pull/5837) * [`panic`], [`todo`], [`unimplemented`] and [`unreachable`] now detect calls with formatting [#5811](https://github.com/rust-lang/rust-clippy/pull/5811) * Detect more cases of [`suboptimal_flops`] and [`imprecise_flops`] [#5443](https://github.com/rust-lang/rust-clippy/pull/5443) * Handle asymmetrical implementations of `PartialEq` in [`cmp_owned`] [#5701](https://github.com/rust-lang/rust-clippy/pull/5701) * Make it possible to allow [`unsafe_derive_deserialize`] [#5870](https://github.com/rust-lang/rust-clippy/pull/5870) * Catch `ord.min(a).max(b)` where a < b in [`min_max`] [#5871](https://github.com/rust-lang/rust-clippy/pull/5871) * Make [`clone_on_copy`] suggestion machine applicable [#5745](https://github.com/rust-lang/rust-clippy/pull/5745) * Enable [`len_zero`] on ranges now that `is_empty` is stable on them [#5961](https://github.com/rust-lang/rust-clippy/pull/5961) ### False Positive Fixes * Avoid triggering [`or_fun_call`] with const fns that take no arguments [#5889](https://github.com/rust-lang/rust-clippy/pull/5889) * Fix [`redundant_closure_call`] false positive for closures that have multiple calls [#5800](https://github.com/rust-lang/rust-clippy/pull/5800) * Don't lint cases involving `ManuallyDrop` in [`redundant_clone`] [#5824](https://github.com/rust-lang/rust-clippy/pull/5824) * Treat a single expression the same as a single statement in the 2nd arm of a match in [`single_match_else`] [#5771](https://github.com/rust-lang/rust-clippy/pull/5771) * Don't trigger [`unnested_or_patterns`] if the feature `or_patterns` is not enabled [#5758](https://github.com/rust-lang/rust-clippy/pull/5758) * Avoid linting if key borrows in [`unnecessary_sort_by`] [#5756](https://github.com/rust-lang/rust-clippy/pull/5756) * Consider `Try` impl for `Poll` when generating suggestions in [`try_err`] [#5857](https://github.com/rust-lang/rust-clippy/pull/5857) * Take input lifetimes into account in `manual_async_fn` [#5859](https://github.com/rust-lang/rust-clippy/pull/5859) * Fix multiple false positives in [`type_repetition_in_bounds`] and add a configuration option [#5761](https://github.com/rust-lang/rust-clippy/pull/5761) * Limit the [`suspicious_arithmetic_impl`] lint to one binary operation [#5820](https://github.com/rust-lang/rust-clippy/pull/5820) ### Suggestion Fixes/Improvements * Improve readability of [`shadow_unrelated`] suggestion by truncating the RHS snippet [#5788](https://github.com/rust-lang/rust-clippy/pull/5788) * Suggest `filter_map` instead of `flat_map` when mapping to `Option` in [`map_flatten`] [#5846](https://github.com/rust-lang/rust-clippy/pull/5846) * Ensure suggestion is shown correctly for long method call chains in [`iter_nth_zero`] [#5793](https://github.com/rust-lang/rust-clippy/pull/5793) * Drop borrow operator in suggestions of [`redundant_pattern_matching`] [#5815](https://github.com/rust-lang/rust-clippy/pull/5815) * Add suggestion for [`iter_skip_next`] [#5843](https://github.com/rust-lang/rust-clippy/pull/5843) * Improve [`collapsible_if`] fix suggestion [#5732](https://github.com/rust-lang/rust-clippy/pull/5732) ### ICE Fixes * Fix ICE caused by [`needless_collect`] [#5877](https://github.com/rust-lang/rust-clippy/pull/5877) * Fix ICE caused by [`unnested_or_patterns`] [#5784](https://github.com/rust-lang/rust-clippy/pull/5784) ### Documentation Improvements * Fix grammar of [`await_holding_lock`] documentation [#5748](https://github.com/rust-lang/rust-clippy/pull/5748) ### Others * Make lints adhere to the rustc dev guide [#5888](https://github.com/rust-lang/rust-clippy/pull/5888) ## Rust 1.46 Current stable, released 2020-08-27 [7ea7cd1...c2c07fa](https://github.com/rust-lang/rust-clippy/compare/7ea7cd1...c2c07fa) ### New lints * [`unnested_or_patterns`] [#5378](https://github.com/rust-lang/rust-clippy/pull/5378) * [`iter_next_slice`] [#5597](https://github.com/rust-lang/rust-clippy/pull/5597) * [`unnecessary_sort_by`] [#5623](https://github.com/rust-lang/rust-clippy/pull/5623) * [`vec_resize_to_zero`] [#5637](https://github.com/rust-lang/rust-clippy/pull/5637) ### Moves and Deprecations * Move [`cast_ptr_alignment`] to pedantic [#5667](https://github.com/rust-lang/rust-clippy/pull/5667) ### Enhancements * Improve [`mem_replace_with_uninit`] lint [#5695](https://github.com/rust-lang/rust-clippy/pull/5695) ### False Positive Fixes * [`len_zero`]: Avoid linting ranges when the `range_is_empty` feature is not enabled [#5656](https://github.com/rust-lang/rust-clippy/pull/5656) * [`let_and_return`]: Don't lint if a temporary borrow is involved [#5680](https://github.com/rust-lang/rust-clippy/pull/5680) * [`reversed_empty_ranges`]: Avoid linting `N..N` in for loop arguments in [#5692](https://github.com/rust-lang/rust-clippy/pull/5692) * [`if_same_then_else`]: Don't assume multiplication is always commutative [#5702](https://github.com/rust-lang/rust-clippy/pull/5702) * [`blacklisted_name`]: Remove `bar` from the default configuration [#5712](https://github.com/rust-lang/rust-clippy/pull/5712) * [`redundant_pattern_matching`]: Avoid suggesting non-`const fn` calls in const contexts [#5724](https://github.com/rust-lang/rust-clippy/pull/5724) ### Suggestion Fixes/Improvements * Fix suggestion of [`unit_arg`] lint, so that it suggest semantic equivalent code [#4455](https://github.com/rust-lang/rust-clippy/pull/4455) * Add auto applicable suggestion to [`macro_use_imports`] [#5279](https://github.com/rust-lang/rust-clippy/pull/5279) ### ICE Fixes * Fix ICE in the `consts` module of Clippy [#5709](https://github.com/rust-lang/rust-clippy/pull/5709) ### Documentation Improvements * Improve code examples across multiple lints [#5664](https://github.com/rust-lang/rust-clippy/pull/5664) ### Others * Introduce a `--rustc` flag to `clippy-driver`, which turns `clippy-driver` into `rustc` and passes all the given arguments to `rustc`. This is especially useful for tools that need the `rustc` version Clippy was compiled with, instead of the Clippy version. E.g. `clippy-driver --rustc --version` will print the output of `rustc --version`. [#5178](https://github.com/rust-lang/rust-clippy/pull/5178) * New issue templates now make it easier to complain if Clippy is too annoying or not annoying enough! [#5735](https://github.com/rust-lang/rust-clippy/pull/5735) ## Rust 1.45 Released 2020-07-16 [891e1a8...7ea7cd1](https://github.com/rust-lang/rust-clippy/compare/891e1a8...7ea7cd1) ### New lints * [`match_wildcard_for_single_variants`] [#5582](https://github.com/rust-lang/rust-clippy/pull/5582) * [`unsafe_derive_deserialize`] [#5493](https://github.com/rust-lang/rust-clippy/pull/5493) * [`if_let_mutex`] [#5332](https://github.com/rust-lang/rust-clippy/pull/5332) * [`mismatched_target_os`] [#5506](https://github.com/rust-lang/rust-clippy/pull/5506) * [`await_holding_lock`] [#5439](https://github.com/rust-lang/rust-clippy/pull/5439) * [`match_on_vec_items`] [#5522](https://github.com/rust-lang/rust-clippy/pull/5522) * [`manual_async_fn`] [#5576](https://github.com/rust-lang/rust-clippy/pull/5576) * [`reversed_empty_ranges`] [#5583](https://github.com/rust-lang/rust-clippy/pull/5583) * [`manual_non_exhaustive`] [#5550](https://github.com/rust-lang/rust-clippy/pull/5550) ### Moves and Deprecations * Downgrade [`match_bool`] to pedantic [#5408](https://github.com/rust-lang/rust-clippy/pull/5408) * Downgrade [`match_wild_err_arm`] to pedantic and update help messages. [#5622](https://github.com/rust-lang/rust-clippy/pull/5622) * Downgrade [`useless_let_if_seq`] to nursery. [#5599](https://github.com/rust-lang/rust-clippy/pull/5599) * Generalize `option_and_then_some` and rename to [`bind_instead_of_map`]. [#5529](https://github.com/rust-lang/rust-clippy/pull/5529) * Rename `identity_conversion` to [`useless_conversion`]. [#5568](https://github.com/rust-lang/rust-clippy/pull/5568) * Merge `block_in_if_condition_expr` and `block_in_if_condition_stmt` into [`blocks_in_if_conditions`]. [#5563](https://github.com/rust-lang/rust-clippy/pull/5563) * Merge `option_map_unwrap_or`, `option_map_unwrap_or_else` and `result_map_unwrap_or_else` into [`map_unwrap_or`]. [#5563](https://github.com/rust-lang/rust-clippy/pull/5563) * Merge `option_unwrap_used` and `result_unwrap_used` into [`unwrap_used`]. [#5563](https://github.com/rust-lang/rust-clippy/pull/5563) * Merge `option_expect_used` and `result_expect_used` into [`expect_used`]. [#5563](https://github.com/rust-lang/rust-clippy/pull/5563) * Merge `for_loop_over_option` and `for_loop_over_result` into [`for_loops_over_fallibles`]. [#5563](https://github.com/rust-lang/rust-clippy/pull/5563) ### Enhancements * Avoid running cargo lints when not enabled to improve performance. [#5505](https://github.com/rust-lang/rust-clippy/pull/5505) * Extend [`useless_conversion`] with `TryFrom` and `TryInto`. [#5631](https://github.com/rust-lang/rust-clippy/pull/5631) * Lint also in type parameters and where clauses in [`unused_unit`]. [#5592](https://github.com/rust-lang/rust-clippy/pull/5592) * Do not suggest deriving `Default` in [`new_without_default`]. [#5616](https://github.com/rust-lang/rust-clippy/pull/5616) ### False Positive Fixes * [`while_let_on_iterator`] [#5525](https://github.com/rust-lang/rust-clippy/pull/5525) * [`empty_line_after_outer_attr`] [#5609](https://github.com/rust-lang/rust-clippy/pull/5609) * [`unnecessary_unwrap`] [#5558](https://github.com/rust-lang/rust-clippy/pull/5558) * [`comparison_chain`] [#5596](https://github.com/rust-lang/rust-clippy/pull/5596) * Don't trigger [`used_underscore_binding`] in await desugaring. [#5535](https://github.com/rust-lang/rust-clippy/pull/5535) * Don't trigger [`borrowed_box`] on mutable references. [#5491](https://github.com/rust-lang/rust-clippy/pull/5491) * Allow `1 << 0` in [`identity_op`]. [#5602](https://github.com/rust-lang/rust-clippy/pull/5602) * Allow `use super::*;` glob imports in [`wildcard_imports`]. [#5564](https://github.com/rust-lang/rust-clippy/pull/5564) * Whitelist more words in [`doc_markdown`]. [#5611](https://github.com/rust-lang/rust-clippy/pull/5611) * Skip dev and build deps in [`multiple_crate_versions`]. [#5636](https://github.com/rust-lang/rust-clippy/pull/5636) * Honor `allow` attribute on arguments in [`ptr_arg`]. [#5647](https://github.com/rust-lang/rust-clippy/pull/5647) * Honor lint level attributes for [`redundant_field_names`], [`just_underscores_and_digits`], [`many_single_char_names`] and [`similar_names`]. [#5651](https://github.com/rust-lang/rust-clippy/pull/5651) * Ignore calls to `len` in [`or_fun_call`]. [#4429](https://github.com/rust-lang/rust-clippy/pull/4429) ### Suggestion Improvements * Simplify suggestions in [`manual_memcpy`]. [#5536](https://github.com/rust-lang/rust-clippy/pull/5536) * Fix suggestion in [`redundant_pattern_matching`] for macros. [#5511](https://github.com/rust-lang/rust-clippy/pull/5511) * Avoid suggesting `copied()` for mutable references in [`map_clone`]. [#5530](https://github.com/rust-lang/rust-clippy/pull/5530) * Improve help message for [`clone_double_ref`]. [#5547](https://github.com/rust-lang/rust-clippy/pull/5547) ### ICE Fixes * Fix ICE caused in unwrap module. [#5590](https://github.com/rust-lang/rust-clippy/pull/5590) * Fix ICE on rustc test issue-69020-assoc-const-arith-overflow.rs [#5499](https://github.com/rust-lang/rust-clippy/pull/5499) ### Documentation * Clarify the documentation of [`unnecessary_mut_passed`]. [#5639](https://github.com/rust-lang/rust-clippy/pull/5639) * Extend example for [`unneeded_field_pattern`]. [#5541](https://github.com/rust-lang/rust-clippy/pull/5541) ## Rust 1.44 Released 2020-06-04 [204bb9b...891e1a8](https://github.com/rust-lang/rust-clippy/compare/204bb9b...891e1a8) ### New lints * [`explicit_deref_methods`] [#5226](https://github.com/rust-lang/rust-clippy/pull/5226) * [`implicit_saturating_sub`] [#5427](https://github.com/rust-lang/rust-clippy/pull/5427) * [`macro_use_imports`] [#5230](https://github.com/rust-lang/rust-clippy/pull/5230) * [`verbose_file_reads`] [#5272](https://github.com/rust-lang/rust-clippy/pull/5272) * [`future_not_send`] [#5423](https://github.com/rust-lang/rust-clippy/pull/5423) * [`redundant_pub_crate`] [#5319](https://github.com/rust-lang/rust-clippy/pull/5319) * [`large_const_arrays`] [#5248](https://github.com/rust-lang/rust-clippy/pull/5248) * [`result_map_or_into_option`] [#5415](https://github.com/rust-lang/rust-clippy/pull/5415) * [`redundant_allocation`] [#5349](https://github.com/rust-lang/rust-clippy/pull/5349) * [`fn_address_comparisons`] [#5294](https://github.com/rust-lang/rust-clippy/pull/5294) * [`vtable_address_comparisons`] [#5294](https://github.com/rust-lang/rust-clippy/pull/5294) ### Moves and Deprecations * Deprecate [`replace_consts`] lint [#5380](https://github.com/rust-lang/rust-clippy/pull/5380) * Move [`cognitive_complexity`] to nursery [#5428](https://github.com/rust-lang/rust-clippy/pull/5428) * Move [`useless_transmute`] to nursery [#5364](https://github.com/rust-lang/rust-clippy/pull/5364) * Downgrade [`inefficient_to_string`] to pedantic [#5412](https://github.com/rust-lang/rust-clippy/pull/5412) * Downgrade [`option_option`] to pedantic [#5401](https://github.com/rust-lang/rust-clippy/pull/5401) * Downgrade [`unreadable_literal`] to pedantic [#5419](https://github.com/rust-lang/rust-clippy/pull/5419) * Downgrade [`let_unit_value`] to pedantic [#5409](https://github.com/rust-lang/rust-clippy/pull/5409) * Downgrade [`trivially_copy_pass_by_ref`] to pedantic [#5410](https://github.com/rust-lang/rust-clippy/pull/5410) * Downgrade [`implicit_hasher`] to pedantic [#5411](https://github.com/rust-lang/rust-clippy/pull/5411) ### Enhancements * On _nightly_ you can now use `cargo clippy --fix -Z unstable-options` to auto-fix lints that support this [#5363](https://github.com/rust-lang/rust-clippy/pull/5363) * Make [`redundant_clone`] also trigger on cases where the cloned value is not consumed. [#5304](https://github.com/rust-lang/rust-clippy/pull/5304) * Expand [`integer_arithmetic`] to also disallow bit-shifting [#5430](https://github.com/rust-lang/rust-clippy/pull/5430) * [`option_as_ref_deref`] now detects more deref cases [#5425](https://github.com/rust-lang/rust-clippy/pull/5425) * [`large_enum_variant`] now report the sizes of the largest and second-largest variants [#5466](https://github.com/rust-lang/rust-clippy/pull/5466) * [`bool_comparison`] now also checks for inequality comparisons that can be written more concisely [#5365](https://github.com/rust-lang/rust-clippy/pull/5365) * Expand [`clone_on_copy`] to work in method call arguments as well [#5441](https://github.com/rust-lang/rust-clippy/pull/5441) * [`redundant_pattern_matching`] now also handles `while let` [#5483](https://github.com/rust-lang/rust-clippy/pull/5483) * [`integer_arithmetic`] now also lints references of integers [#5329](https://github.com/rust-lang/rust-clippy/pull/5329) * Expand [`float_cmp_const`] to also work on arrays [#5345](https://github.com/rust-lang/rust-clippy/pull/5345) * Trigger [`map_flatten`] when map is called on an `Option` [#5473](https://github.com/rust-lang/rust-clippy/pull/5473) ### False Positive Fixes * [`many_single_char_names`] [#5468](https://github.com/rust-lang/rust-clippy/pull/5468) * [`should_implement_trait`] [#5437](https://github.com/rust-lang/rust-clippy/pull/5437) * [`unused_self`] [#5387](https://github.com/rust-lang/rust-clippy/pull/5387) * [`redundant_clone`] [#5453](https://github.com/rust-lang/rust-clippy/pull/5453) * [`precedence`] [#5445](https://github.com/rust-lang/rust-clippy/pull/5445) * [`suspicious_op_assign_impl`] [#5424](https://github.com/rust-lang/rust-clippy/pull/5424) * [`needless_lifetimes`] [#5293](https://github.com/rust-lang/rust-clippy/pull/5293) * [`redundant_pattern`] [#5287](https://github.com/rust-lang/rust-clippy/pull/5287) * [`inconsistent_digit_grouping`] [#5451](https://github.com/rust-lang/rust-clippy/pull/5451) ### Suggestion Improvements * Improved [`question_mark`] lint suggestion so that it doesn't add redundant `as_ref()` [#5481](https://github.com/rust-lang/rust-clippy/pull/5481) * Improve the suggested placeholder in [`option_map_unit_fn`] [#5292](https://github.com/rust-lang/rust-clippy/pull/5292) * Improve suggestion for [`match_single_binding`] when triggered inside a closure [#5350](https://github.com/rust-lang/rust-clippy/pull/5350) ### ICE Fixes * Handle the unstable `trivial_bounds` feature [#5296](https://github.com/rust-lang/rust-clippy/pull/5296) * `shadow_*` lints [#5297](https://github.com/rust-lang/rust-clippy/pull/5297) ### Documentation * Fix documentation generation for configurable lints [#5353](https://github.com/rust-lang/rust-clippy/pull/5353) * Update documentation for [`new_ret_no_self`] [#5448](https://github.com/rust-lang/rust-clippy/pull/5448) * The documentation for [`option_option`] now suggest using a tri-state enum [#5403](https://github.com/rust-lang/rust-clippy/pull/5403) * Fix bit mask example in [`verbose_bit_mask`] documentation [#5454](https://github.com/rust-lang/rust-clippy/pull/5454) * [`wildcard_imports`] documentation now mentions that `use ...::prelude::*` is not linted [#5312](https://github.com/rust-lang/rust-clippy/pull/5312) ## Rust 1.43 Released 2020-04-23 [4ee1206...204bb9b](https://github.com/rust-lang/rust-clippy/compare/4ee1206...204bb9b) ### New lints * [`imprecise_flops`] [#4897](https://github.com/rust-lang/rust-clippy/pull/4897) * [`suboptimal_flops`] [#4897](https://github.com/rust-lang/rust-clippy/pull/4897) * [`wildcard_imports`] [#5029](https://github.com/rust-lang/rust-clippy/pull/5029) * [`single_component_path_imports`] [#5058](https://github.com/rust-lang/rust-clippy/pull/5058) * [`match_single_binding`] [#5061](https://github.com/rust-lang/rust-clippy/pull/5061) * [`let_underscore_lock`] [#5101](https://github.com/rust-lang/rust-clippy/pull/5101) * [`struct_excessive_bools`] [#5125](https://github.com/rust-lang/rust-clippy/pull/5125) * [`fn_params_excessive_bools`] [#5125](https://github.com/rust-lang/rust-clippy/pull/5125) * [`option_env_unwrap`] [#5148](https://github.com/rust-lang/rust-clippy/pull/5148) * [`lossy_float_literal`] [#5202](https://github.com/rust-lang/rust-clippy/pull/5202) * [`rest_pat_in_fully_bound_structs`] [#5258](https://github.com/rust-lang/rust-clippy/pull/5258) ### Moves and Deprecations * Move [`unneeded_field_pattern`] to pedantic group [#5200](https://github.com/rust-lang/rust-clippy/pull/5200) ### Enhancements * Make [`missing_errors_doc`] lint also trigger on `async` functions [#5181](https://github.com/rust-lang/rust-clippy/pull/5181) * Add more constants to [`approx_constant`] [#5193](https://github.com/rust-lang/rust-clippy/pull/5193) * Extend [`question_mark`] lint [#5266](https://github.com/rust-lang/rust-clippy/pull/5266) ### False Positive Fixes * [`use_debug`] [#5047](https://github.com/rust-lang/rust-clippy/pull/5047) * [`unnecessary_unwrap`] [#5132](https://github.com/rust-lang/rust-clippy/pull/5132) * [`zero_prefixed_literal`] [#5170](https://github.com/rust-lang/rust-clippy/pull/5170) * [`missing_const_for_fn`] [#5216](https://github.com/rust-lang/rust-clippy/pull/5216) ### Suggestion Improvements * Improve suggestion when blocks of code are suggested [#5134](https://github.com/rust-lang/rust-clippy/pull/5134) ### ICE Fixes * `misc_early` lints [#5129](https://github.com/rust-lang/rust-clippy/pull/5129) * [`missing_errors_doc`] [#5213](https://github.com/rust-lang/rust-clippy/pull/5213) * Fix ICE when evaluating `usize`s [#5256](https://github.com/rust-lang/rust-clippy/pull/5256) ### Documentation * Improve documentation of [`iter_nth_zero`] * Add documentation pages for stable releases [#5171](https://github.com/rust-lang/rust-clippy/pull/5171) ### Others * Clippy now completely runs on GitHub Actions [#5190](https://github.com/rust-lang/rust-clippy/pull/5190) ## Rust 1.42 Released 2020-03-12 [69f99e7...4ee1206](https://github.com/rust-lang/rust-clippy/compare/69f99e7...4ee1206) ### New lints * [`filetype_is_file`] [#4543](https://github.com/rust-lang/rust-clippy/pull/4543) * [`let_underscore_must_use`] [#4823](https://github.com/rust-lang/rust-clippy/pull/4823) * [`modulo_arithmetic`] [#4867](https://github.com/rust-lang/rust-clippy/pull/4867) * [`mem_replace_with_default`] [#4881](https://github.com/rust-lang/rust-clippy/pull/4881) * [`mutable_key_type`] [#4885](https://github.com/rust-lang/rust-clippy/pull/4885) * [`option_as_ref_deref`] [#4945](https://github.com/rust-lang/rust-clippy/pull/4945) * [`wildcard_in_or_patterns`] [#4960](https://github.com/rust-lang/rust-clippy/pull/4960) * [`iter_nth_zero`] [#4966](https://github.com/rust-lang/rust-clippy/pull/4966) * [`invalid_atomic_ordering`] [#4999](https://github.com/rust-lang/rust-clippy/pull/4999) * [`skip_while_next`] [#5067](https://github.com/rust-lang/rust-clippy/pull/5067) ### Moves and Deprecations * Move [`transmute_float_to_int`] from nursery to complexity group [#5015](https://github.com/rust-lang/rust-clippy/pull/5015) * Move [`range_plus_one`] to pedantic group [#5057](https://github.com/rust-lang/rust-clippy/pull/5057) * Move [`debug_assert_with_mut_call`] to nursery group [#5106](https://github.com/rust-lang/rust-clippy/pull/5106) * Deprecate [`unused_label`] [#4930](https://github.com/rust-lang/rust-clippy/pull/4930) ### Enhancements * Lint vectored IO in [`unused_io_amount`] [#5027](https://github.com/rust-lang/rust-clippy/pull/5027) * Make [`vec_box`] configurable by adding a size threshold [#5081](https://github.com/rust-lang/rust-clippy/pull/5081) * Also lint constants in [`cmp_nan`] [#4910](https://github.com/rust-lang/rust-clippy/pull/4910) * Fix false negative in [`expect_fun_call`] [#4915](https://github.com/rust-lang/rust-clippy/pull/4915) * Fix false negative in [`redundant_clone`] [#5017](https://github.com/rust-lang/rust-clippy/pull/5017) ### False Positive Fixes * [`map_clone`] [#4937](https://github.com/rust-lang/rust-clippy/pull/4937) * [`replace_consts`] [#4977](https://github.com/rust-lang/rust-clippy/pull/4977) * [`let_and_return`] [#5008](https://github.com/rust-lang/rust-clippy/pull/5008) * [`eq_op`] [#5079](https://github.com/rust-lang/rust-clippy/pull/5079) * [`possible_missing_comma`] [#5083](https://github.com/rust-lang/rust-clippy/pull/5083) * [`debug_assert_with_mut_call`] [#5106](https://github.com/rust-lang/rust-clippy/pull/5106) * Don't trigger [`let_underscore_must_use`] in external macros [#5082](https://github.com/rust-lang/rust-clippy/pull/5082) * Don't trigger [`empty_loop`] in `no_std` crates [#5086](https://github.com/rust-lang/rust-clippy/pull/5086) ### Suggestion Improvements * `option_map_unwrap_or` [#4634](https://github.com/rust-lang/rust-clippy/pull/4634) * [`wildcard_enum_match_arm`] [#4934](https://github.com/rust-lang/rust-clippy/pull/4934) * [`cognitive_complexity`] [#4935](https://github.com/rust-lang/rust-clippy/pull/4935) * [`decimal_literal_representation`] [#4956](https://github.com/rust-lang/rust-clippy/pull/4956) * [`unknown_clippy_lints`] [#4963](https://github.com/rust-lang/rust-clippy/pull/4963) * [`explicit_into_iter_loop`] [#4978](https://github.com/rust-lang/rust-clippy/pull/4978) * [`useless_attribute`] [#5022](https://github.com/rust-lang/rust-clippy/pull/5022) * [`if_let_some_result`] [#5032](https://github.com/rust-lang/rust-clippy/pull/5032) ### ICE fixes * [`unsound_collection_transmute`] [#4975](https://github.com/rust-lang/rust-clippy/pull/4975) ### Documentation * Improve documentation of [`empty_enum`], [`replace_consts`], [`redundant_clone`], and [`iterator_step_by_zero`] ## Rust 1.41 Released 2020-01-30 [c8e3cfb...69f99e7](https://github.com/rust-lang/rust-clippy/compare/c8e3cfb...69f99e7) * New Lints: * [`exit`] [#4697](https://github.com/rust-lang/rust-clippy/pull/4697) * [`to_digit_is_some`] [#4801](https://github.com/rust-lang/rust-clippy/pull/4801) * [`tabs_in_doc_comments`] [#4806](https://github.com/rust-lang/rust-clippy/pull/4806) * [`large_stack_arrays`] [#4807](https://github.com/rust-lang/rust-clippy/pull/4807) * [`same_functions_in_if_condition`] [#4814](https://github.com/rust-lang/rust-clippy/pull/4814) * [`zst_offset`] [#4816](https://github.com/rust-lang/rust-clippy/pull/4816) * [`as_conversions`] [#4821](https://github.com/rust-lang/rust-clippy/pull/4821) * [`missing_errors_doc`] [#4884](https://github.com/rust-lang/rust-clippy/pull/4884) * [`transmute_float_to_int`] [#4889](https://github.com/rust-lang/rust-clippy/pull/4889) * Remove plugin interface, see [Inside Rust Blog](https://blog.rust-lang.org/inside-rust/2019/11/04/Clippy-removes-plugin-interface.html) for details [#4714](https://github.com/rust-lang/rust-clippy/pull/4714) * Move [`use_self`] to nursery group [#4863](https://github.com/rust-lang/rust-clippy/pull/4863) * Deprecate [`into_iter_on_array`] [#4788](https://github.com/rust-lang/rust-clippy/pull/4788) * Expand [`string_lit_as_bytes`] to also trigger when literal has escapes [#4808](https://github.com/rust-lang/rust-clippy/pull/4808) * Fix false positive in `comparison_chain` [#4842](https://github.com/rust-lang/rust-clippy/pull/4842) * Fix false positive in `while_immutable_condition` [#4730](https://github.com/rust-lang/rust-clippy/pull/4730) * Fix false positive in `explicit_counter_loop` [#4803](https://github.com/rust-lang/rust-clippy/pull/4803) * Fix false positive in `must_use_candidate` [#4794](https://github.com/rust-lang/rust-clippy/pull/4794) * Fix false positive in `print_with_newline` and `write_with_newline` [#4769](https://github.com/rust-lang/rust-clippy/pull/4769) * Fix false positive in `derive_hash_xor_eq` [#4766](https://github.com/rust-lang/rust-clippy/pull/4766) * Fix false positive in `missing_inline_in_public_items` [#4870](https://github.com/rust-lang/rust-clippy/pull/4870) * Fix false positive in `string_add` [#4880](https://github.com/rust-lang/rust-clippy/pull/4880) * Fix false positive in `float_arithmetic` [#4851](https://github.com/rust-lang/rust-clippy/pull/4851) * Fix false positive in `cast_sign_loss` [#4883](https://github.com/rust-lang/rust-clippy/pull/4883) * Fix false positive in `manual_swap` [#4877](https://github.com/rust-lang/rust-clippy/pull/4877) * Fix ICEs occurring while checking some block expressions [#4772](https://github.com/rust-lang/rust-clippy/pull/4772) * Fix ICE in `use_self` [#4776](https://github.com/rust-lang/rust-clippy/pull/4776) * Fix ICEs related to `const_generics` [#4780](https://github.com/rust-lang/rust-clippy/pull/4780) * Display help when running `clippy-driver` without arguments, instead of ICEing [#4810](https://github.com/rust-lang/rust-clippy/pull/4810) * Clippy has its own ICE message now [#4588](https://github.com/rust-lang/rust-clippy/pull/4588) * Show deprecated lints in the documentation again [#4757](https://github.com/rust-lang/rust-clippy/pull/4757) * Improve Documentation by adding positive examples to some lints [#4832](https://github.com/rust-lang/rust-clippy/pull/4832) ## Rust 1.40 Released 2019-12-19 [4e7e71b...c8e3cfb](https://github.com/rust-lang/rust-clippy/compare/4e7e71b...c8e3cfb) * New Lints: * [`unneeded_wildcard_pattern`] [#4537](https://github.com/rust-lang/rust-clippy/pull/4537) * [`needless_doctest_main`] [#4603](https://github.com/rust-lang/rust-clippy/pull/4603) * [`suspicious_unary_op_formatting`] [#4615](https://github.com/rust-lang/rust-clippy/pull/4615) * [`debug_assert_with_mut_call`] [#4680](https://github.com/rust-lang/rust-clippy/pull/4680) * [`unused_self`] [#4619](https://github.com/rust-lang/rust-clippy/pull/4619) * [`inefficient_to_string`] [#4683](https://github.com/rust-lang/rust-clippy/pull/4683) * [`must_use_unit`] [#4560](https://github.com/rust-lang/rust-clippy/pull/4560) * [`must_use_candidate`] [#4560](https://github.com/rust-lang/rust-clippy/pull/4560) * [`double_must_use`] [#4560](https://github.com/rust-lang/rust-clippy/pull/4560) * [`comparison_chain`] [#4569](https://github.com/rust-lang/rust-clippy/pull/4569) * [`unsound_collection_transmute`] [#4592](https://github.com/rust-lang/rust-clippy/pull/4592) * [`panic`] [#4657](https://github.com/rust-lang/rust-clippy/pull/4657) * [`unreachable`] [#4657](https://github.com/rust-lang/rust-clippy/pull/4657) * [`todo`] [#4657](https://github.com/rust-lang/rust-clippy/pull/4657) * `option_expect_used` [#4657](https://github.com/rust-lang/rust-clippy/pull/4657) * `result_expect_used` [#4657](https://github.com/rust-lang/rust-clippy/pull/4657) * Move `redundant_clone` to perf group [#4509](https://github.com/rust-lang/rust-clippy/pull/4509) * Move `manual_mul_add` to nursery group [#4736](https://github.com/rust-lang/rust-clippy/pull/4736) * Expand `unit_cmp` to also work with `assert_eq!`, `debug_assert_eq!`, `assert_ne!` and `debug_assert_ne!` [#4613](https://github.com/rust-lang/rust-clippy/pull/4613) * Expand `integer_arithmetic` to also detect mutating arithmetic like `+=` [#4585](https://github.com/rust-lang/rust-clippy/pull/4585) * Fix false positive in `nonminimal_bool` [#4568](https://github.com/rust-lang/rust-clippy/pull/4568) * Fix false positive in `missing_safety_doc` [#4611](https://github.com/rust-lang/rust-clippy/pull/4611) * Fix false positive in `cast_sign_loss` [#4614](https://github.com/rust-lang/rust-clippy/pull/4614) * Fix false positive in `redundant_clone` [#4509](https://github.com/rust-lang/rust-clippy/pull/4509) * Fix false positive in `try_err` [#4721](https://github.com/rust-lang/rust-clippy/pull/4721) * Fix false positive in `toplevel_ref_arg` [#4570](https://github.com/rust-lang/rust-clippy/pull/4570) * Fix false positive in `multiple_inherent_impl` [#4593](https://github.com/rust-lang/rust-clippy/pull/4593) * Improve more suggestions and tests in preparation for the unstable `cargo fix --clippy` [#4575](https://github.com/rust-lang/rust-clippy/pull/4575) * Improve suggestion for `zero_ptr` [#4599](https://github.com/rust-lang/rust-clippy/pull/4599) * Improve suggestion for `explicit_counter_loop` [#4691](https://github.com/rust-lang/rust-clippy/pull/4691) * Improve suggestion for `mul_add` [#4602](https://github.com/rust-lang/rust-clippy/pull/4602) * Improve suggestion for `assertions_on_constants` [#4635](https://github.com/rust-lang/rust-clippy/pull/4635) * Fix ICE in `use_self` [#4671](https://github.com/rust-lang/rust-clippy/pull/4671) * Fix ICE when encountering const casts [#4590](https://github.com/rust-lang/rust-clippy/pull/4590) ## Rust 1.39 Released 2019-11-07 [3aea860...4e7e71b](https://github.com/rust-lang/rust-clippy/compare/3aea860...4e7e71b) * New Lints: * [`uninit_assumed_init`] [#4479](https://github.com/rust-lang/rust-clippy/pull/4479) * [`flat_map_identity`] [#4231](https://github.com/rust-lang/rust-clippy/pull/4231) * [`missing_safety_doc`] [#4535](https://github.com/rust-lang/rust-clippy/pull/4535) * [`mem_replace_with_uninit`] [#4511](https://github.com/rust-lang/rust-clippy/pull/4511) * [`suspicious_map`] [#4394](https://github.com/rust-lang/rust-clippy/pull/4394) * `option_and_then_some` [#4386](https://github.com/rust-lang/rust-clippy/pull/4386) * [`manual_saturating_arithmetic`] [#4498](https://github.com/rust-lang/rust-clippy/pull/4498) * Deprecate `unused_collect` lint. This is fully covered by rustc's `#[must_use]` on `collect` [#4348](https://github.com/rust-lang/rust-clippy/pull/4348) * Move `type_repetition_in_bounds` to pedantic group [#4403](https://github.com/rust-lang/rust-clippy/pull/4403) * Move `cast_lossless` to pedantic group [#4539](https://github.com/rust-lang/rust-clippy/pull/4539) * `temporary_cstring_as_ptr` now catches more cases [#4425](https://github.com/rust-lang/rust-clippy/pull/4425) * `use_self` now works in constructors, too [#4525](https://github.com/rust-lang/rust-clippy/pull/4525) * `cargo_common_metadata` now checks for license files [#4518](https://github.com/rust-lang/rust-clippy/pull/4518) * `cognitive_complexity` now includes the measured complexity in the warning message [#4469](https://github.com/rust-lang/rust-clippy/pull/4469) * Fix false positives in `block_in_if_*` lints [#4458](https://github.com/rust-lang/rust-clippy/pull/4458) * Fix false positive in `cast_lossless` [#4473](https://github.com/rust-lang/rust-clippy/pull/4473) * Fix false positive in `clone_on_copy` [#4411](https://github.com/rust-lang/rust-clippy/pull/4411) * Fix false positive in `deref_addrof` [#4487](https://github.com/rust-lang/rust-clippy/pull/4487) * Fix false positive in `too_many_lines` [#4490](https://github.com/rust-lang/rust-clippy/pull/4490) * Fix false positive in `new_ret_no_self` [#4365](https://github.com/rust-lang/rust-clippy/pull/4365) * Fix false positive in `manual_swap` [#4478](https://github.com/rust-lang/rust-clippy/pull/4478) * Fix false positive in `missing_const_for_fn` [#4450](https://github.com/rust-lang/rust-clippy/pull/4450) * Fix false positive in `extra_unused_lifetimes` [#4477](https://github.com/rust-lang/rust-clippy/pull/4477) * Fix false positive in `inherent_to_string` [#4460](https://github.com/rust-lang/rust-clippy/pull/4460) * Fix false positive in `map_entry` [#4495](https://github.com/rust-lang/rust-clippy/pull/4495) * Fix false positive in `unused_unit` [#4445](https://github.com/rust-lang/rust-clippy/pull/4445) * Fix false positive in `redundant_pattern` [#4489](https://github.com/rust-lang/rust-clippy/pull/4489) * Fix false positive in `wrong_self_convention` [#4369](https://github.com/rust-lang/rust-clippy/pull/4369) * Improve various suggestions and tests in preparation for the unstable `cargo fix --clippy` [#4558](https://github.com/rust-lang/rust-clippy/pull/4558) * Improve suggestions for `redundant_pattern_matching` [#4352](https://github.com/rust-lang/rust-clippy/pull/4352) * Improve suggestions for `explicit_write` [#4544](https://github.com/rust-lang/rust-clippy/pull/4544) * Improve suggestion for `or_fun_call` [#4522](https://github.com/rust-lang/rust-clippy/pull/4522) * Improve suggestion for `match_as_ref` [#4446](https://github.com/rust-lang/rust-clippy/pull/4446) * Improve suggestion for `unnecessary_fold_span` [#4382](https://github.com/rust-lang/rust-clippy/pull/4382) * Add suggestions for `unseparated_literal_suffix` [#4401](https://github.com/rust-lang/rust-clippy/pull/4401) * Add suggestions for `char_lit_as_u8` [#4418](https://github.com/rust-lang/rust-clippy/pull/4418) ## Rust 1.38 Released 2019-09-26 [e3cb40e...3aea860](https://github.com/rust-lang/rust-clippy/compare/e3cb40e...3aea860) * New Lints: * [`main_recursion`] [#4203](https://github.com/rust-lang/rust-clippy/pull/4203) * [`inherent_to_string`] [#4259](https://github.com/rust-lang/rust-clippy/pull/4259) * [`inherent_to_string_shadow_display`] [#4259](https://github.com/rust-lang/rust-clippy/pull/4259) * [`type_repetition_in_bounds`] [#3766](https://github.com/rust-lang/rust-clippy/pull/3766) * [`try_err`] [#4222](https://github.com/rust-lang/rust-clippy/pull/4222) * Move `{unnnecessary,panicking}_unwrap` out of nursery [#4307](https://github.com/rust-lang/rust-clippy/pull/4307) * Extend the `use_self` lint to suggest uses of `Self::Variant` [#4308](https://github.com/rust-lang/rust-clippy/pull/4308) * Improve suggestion for needless return [#4262](https://github.com/rust-lang/rust-clippy/pull/4262) * Add auto-fixable suggestion for `let_unit` [#4337](https://github.com/rust-lang/rust-clippy/pull/4337) * Fix false positive in `pub_enum_variant_names` and `enum_variant_names` [#4345](https://github.com/rust-lang/rust-clippy/pull/4345) * Fix false positive in `cast_ptr_alignment` [#4257](https://github.com/rust-lang/rust-clippy/pull/4257) * Fix false positive in `string_lit_as_bytes` [#4233](https://github.com/rust-lang/rust-clippy/pull/4233) * Fix false positive in `needless_lifetimes` [#4266](https://github.com/rust-lang/rust-clippy/pull/4266) * Fix false positive in `float_cmp` [#4275](https://github.com/rust-lang/rust-clippy/pull/4275) * Fix false positives in `needless_return` [#4274](https://github.com/rust-lang/rust-clippy/pull/4274) * Fix false negative in `match_same_arms` [#4246](https://github.com/rust-lang/rust-clippy/pull/4246) * Fix incorrect suggestion for `needless_bool` [#4335](https://github.com/rust-lang/rust-clippy/pull/4335) * Improve suggestion for `cast_ptr_alignment` [#4257](https://github.com/rust-lang/rust-clippy/pull/4257) * Improve suggestion for `single_char_literal` [#4361](https://github.com/rust-lang/rust-clippy/pull/4361) * Improve suggestion for `len_zero` [#4314](https://github.com/rust-lang/rust-clippy/pull/4314) * Fix ICE in `implicit_hasher` [#4268](https://github.com/rust-lang/rust-clippy/pull/4268) * Fix allow bug in `trivially_copy_pass_by_ref` [#4250](https://github.com/rust-lang/rust-clippy/pull/4250) ## Rust 1.37 Released 2019-08-15 [082cfa7...e3cb40e](https://github.com/rust-lang/rust-clippy/compare/082cfa7...e3cb40e) * New Lints: * [`checked_conversions`] [#4088](https://github.com/rust-lang/rust-clippy/pull/4088) * [`get_last_with_len`] [#3832](https://github.com/rust-lang/rust-clippy/pull/3832) * [`integer_division`] [#4195](https://github.com/rust-lang/rust-clippy/pull/4195) * Renamed Lint: `const_static_lifetime` is now called [`redundant_static_lifetimes`]. The lint now covers statics in addition to consts [#4162](https://github.com/rust-lang/rust-clippy/pull/4162) * [`match_same_arms`] now warns for all identical arms, instead of only the first one [#4102](https://github.com/rust-lang/rust-clippy/pull/4102) * [`needless_return`] now works with void functions [#4220](https://github.com/rust-lang/rust-clippy/pull/4220) * Fix false positive in [`redundant_closure`] [#4190](https://github.com/rust-lang/rust-clippy/pull/4190) * Fix false positive in [`useless_attribute`] [#4107](https://github.com/rust-lang/rust-clippy/pull/4107) * Fix incorrect suggestion for [`float_cmp`] [#4214](https://github.com/rust-lang/rust-clippy/pull/4214) * Add suggestions for [`print_with_newline`] and [`write_with_newline`] [#4136](https://github.com/rust-lang/rust-clippy/pull/4136) * Improve suggestions for `option_map_unwrap_or_else` and `result_map_unwrap_or_else` [#4164](https://github.com/rust-lang/rust-clippy/pull/4164) * Improve suggestions for [`non_ascii_literal`] [#4119](https://github.com/rust-lang/rust-clippy/pull/4119) * Improve diagnostics for [`let_and_return`] [#4137](https://github.com/rust-lang/rust-clippy/pull/4137) * Improve diagnostics for [`trivially_copy_pass_by_ref`] [#4071](https://github.com/rust-lang/rust-clippy/pull/4071) * Add macro check for [`unreadable_literal`] [#4099](https://github.com/rust-lang/rust-clippy/pull/4099) ## Rust 1.36 Released 2019-07-04 [eb9f9b1...082cfa7](https://github.com/rust-lang/rust-clippy/compare/eb9f9b1...082cfa7) * New lints: [`find_map`], [`filter_map_next`] [#4039](https://github.com/rust-lang/rust-clippy/pull/4039) * New lint: [`path_buf_push_overwrite`] [#3954](https://github.com/rust-lang/rust-clippy/pull/3954) * Move `path_buf_push_overwrite` to the nursery [#4013](https://github.com/rust-lang/rust-clippy/pull/4013) * Split [`redundant_closure`] into [`redundant_closure`] and [`redundant_closure_for_method_calls`] [#4110](https://github.com/rust-lang/rust-clippy/pull/4101) * Allow allowing of [`toplevel_ref_arg`] lint [#4007](https://github.com/rust-lang/rust-clippy/pull/4007) * Fix false negative in [`or_fun_call`] pertaining to nested constructors [#4084](https://github.com/rust-lang/rust-clippy/pull/4084) * Fix false positive in [`or_fun_call`] pertaining to enum variant constructors [#4018](https://github.com/rust-lang/rust-clippy/pull/4018) * Fix false positive in [`useless_let_if_seq`] pertaining to interior mutability [#4035](https://github.com/rust-lang/rust-clippy/pull/4035) * Fix false positive in [`redundant_closure`] pertaining to non-function types [#4008](https://github.com/rust-lang/rust-clippy/pull/4008) * Fix false positive in [`let_and_return`] pertaining to attributes on `let`s [#4024](https://github.com/rust-lang/rust-clippy/pull/4024) * Fix false positive in [`module_name_repetitions`] lint pertaining to attributes [#4006](https://github.com/rust-lang/rust-clippy/pull/4006) * Fix false positive on [`assertions_on_constants`] pertaining to `debug_assert!` [#3989](https://github.com/rust-lang/rust-clippy/pull/3989) * Improve suggestion in [`map_clone`] to suggest `.copied()` where applicable [#3970](https://github.com/rust-lang/rust-clippy/pull/3970) [#4043](https://github.com/rust-lang/rust-clippy/pull/4043) * Improve suggestion for [`search_is_some`] [#4049](https://github.com/rust-lang/rust-clippy/pull/4049) * Improve suggestion applicability for [`naive_bytecount`] [#3984](https://github.com/rust-lang/rust-clippy/pull/3984) * Improve suggestion applicability for [`while_let_loop`] [#3975](https://github.com/rust-lang/rust-clippy/pull/3975) * Improve diagnostics for [`too_many_arguments`] [#4053](https://github.com/rust-lang/rust-clippy/pull/4053) * Improve diagnostics for [`cast_lossless`] [#4021](https://github.com/rust-lang/rust-clippy/pull/4021) * Deal with macro checks in desugarings better [#4082](https://github.com/rust-lang/rust-clippy/pull/4082) * Add macro check for [`unnecessary_cast`] [#4026](https://github.com/rust-lang/rust-clippy/pull/4026) * Remove [`approx_constant`]'s documentation's "Known problems" section. [#4027](https://github.com/rust-lang/rust-clippy/pull/4027) * Fix ICE in [`suspicious_else_formatting`] [#3960](https://github.com/rust-lang/rust-clippy/pull/3960) * Fix ICE in [`decimal_literal_representation`] [#3931](https://github.com/rust-lang/rust-clippy/pull/3931) ## Rust 1.35 Released 2019-05-20 [1fac380..37f5c1e](https://github.com/rust-lang/rust-clippy/compare/1fac380...37f5c1e) * New lint: [`drop_bounds`] to detect `T: Drop` bounds * Split [`redundant_closure`] into [`redundant_closure`] and [`redundant_closure_for_method_calls`] [#4110](https://github.com/rust-lang/rust-clippy/pull/4101) * Rename `cyclomatic_complexity` to [`cognitive_complexity`], start work on making lint more practical for Rust code * Move [`get_unwrap`] to the restriction category * Improve suggestions for [`iter_cloned_collect`] * Improve suggestions for [`cast_lossless`] to suggest suffixed literals * Fix false positives in [`print_with_newline`] and [`write_with_newline`] pertaining to raw strings * Fix false positive in [`needless_range_loop`] pertaining to structs without a `.iter()` * Fix false positive in [`bool_comparison`] pertaining to non-bool types * Fix false positive in [`redundant_closure`] pertaining to differences in borrows * Fix false positive in `option_map_unwrap_or` on non-copy types * Fix false positives in [`missing_const_for_fn`] pertaining to macros and trait method impls * Fix false positive in [`needless_pass_by_value`] pertaining to procedural macros * Fix false positive in [`needless_continue`] pertaining to loop labels * Fix false positive for [`boxed_local`] pertaining to arguments moved into closures * Fix false positive for [`use_self`] in nested functions * Fix suggestion for [`expect_fun_call`] (https://github.com/rust-lang/rust-clippy/pull/3846) * Fix suggestion for [`explicit_counter_loop`] to deal with parenthesizing range variables * Fix suggestion for [`single_char_pattern`] to correctly escape single quotes * Avoid triggering [`redundant_closure`] in macros * ICE fixes: [#3805](https://github.com/rust-lang/rust-clippy/pull/3805), [#3772](https://github.com/rust-lang/rust-clippy/pull/3772), [#3741](https://github.com/rust-lang/rust-clippy/pull/3741) ## Rust 1.34 Released 2019-04-10 [1b89724...1fac380](https://github.com/rust-lang/rust-clippy/compare/1b89724...1fac380) * New lint: [`assertions_on_constants`] to detect for example `assert!(true)` * New lint: [`dbg_macro`] to detect uses of the `dbg!` macro * New lint: [`missing_const_for_fn`] that can suggest functions to be made `const` * New lint: [`too_many_lines`] to detect functions with excessive LOC. It can be configured using the `too-many-lines-threshold` configuration. * New lint: [`wildcard_enum_match_arm`] to check for wildcard enum matches using `_` * Expand `redundant_closure` to also work for methods (not only functions) * Fix ICEs in `vec_box`, `needless_pass_by_value` and `implicit_hasher` * Fix false positive in `cast_sign_loss` * Fix false positive in `integer_arithmetic` * Fix false positive in `unit_arg` * Fix false positives in `implicit_return` * Add suggestion to `explicit_write` * Improve suggestions for `question_mark` lint * Fix incorrect suggestion for `cast_lossless` * Fix incorrect suggestion for `expect_fun_call` * Fix incorrect suggestion for `needless_bool` * Fix incorrect suggestion for `needless_range_loop` * Fix incorrect suggestion for `use_self` * Fix incorrect suggestion for `while_let_on_iterator` * Clippy is now slightly easier to invoke in non-cargo contexts. See [#3665][pull3665] for more details. * We now have [improved documentation][adding_lints] on how to add new lints ## Rust 1.33 Released 2019-02-26 [b2601be...1b89724](https://github.com/rust-lang/rust-clippy/compare/b2601be...1b89724) * New lints: [`implicit_return`], [`vec_box`], [`cast_ref_to_mut`] * The `rust-clippy` repository is now part of the `rust-lang` org. * Rename `stutter` to `module_name_repetitions` * Merge `new_without_default_derive` into `new_without_default` lint * Move `large_digit_groups` from `style` group to `pedantic` * Expand `bool_comparison` to check for `<`, `<=`, `>`, `>=`, and `!=` comparisons against booleans * Expand `no_effect` to detect writes to constants such as `A_CONST.field = 2` * Expand `redundant_clone` to work on struct fields * Expand `suspicious_else_formatting` to detect `if .. {..} {..}` * Expand `use_self` to work on tuple structs and also in local macros * Fix ICE in `result_map_unit_fn` and `option_map_unit_fn` * Fix false positives in `implicit_return` * Fix false positives in `use_self` * Fix false negative in `clone_on_copy` * Fix false positive in `doc_markdown` * Fix false positive in `empty_loop` * Fix false positive in `if_same_then_else` * Fix false positive in `infinite_iter` * Fix false positive in `question_mark` * Fix false positive in `useless_asref` * Fix false positive in `wildcard_dependencies` * Fix false positive in `write_with_newline` * Add suggestion to `explicit_write` * Improve suggestions for `question_mark` lint * Fix incorrect suggestion for `get_unwrap` ## Rust 1.32 Released 2019-01-17 [2e26fdc2...b2601be](https://github.com/rust-lang/rust-clippy/compare/2e26fdc2...b2601be) * New lints: [`slow_vector_initialization`], [`mem_discriminant_non_enum`], [`redundant_clone`], [`wildcard_dependencies`], [`into_iter_on_ref`], [`into_iter_on_array`], [`deprecated_cfg_attr`], [`mem_discriminant_non_enum`], [`cargo_common_metadata`] * Add support for `u128` and `i128` to integer related lints * Add float support to `mistyped_literal_suffixes` * Fix false positives in `use_self` * Fix false positives in `missing_comma` * Fix false positives in `new_ret_no_self` * Fix false positives in `possible_missing_comma` * Fix false positive in `integer_arithmetic` in constant items * Fix false positive in `needless_borrow` * Fix false positive in `out_of_bounds_indexing` * Fix false positive in `new_without_default_derive` * Fix false positive in `string_lit_as_bytes` * Fix false negative in `out_of_bounds_indexing` * Fix false negative in `use_self`. It will now also check existential types * Fix incorrect suggestion for `redundant_closure_call` * Fix various suggestions that contained expanded macros * Fix `bool_comparison` triggering 3 times on on on the same code * Expand `trivially_copy_pass_by_ref` to work on trait methods * Improve suggestion for `needless_range_loop` * Move `needless_pass_by_value` from `pedantic` group to `style` ## Rust 1.31 Released 2018-12-06 [125907ad..2e26fdc2](https://github.com/rust-lang/rust-clippy/compare/125907ad..2e26fdc2) * Clippy has been relicensed under a dual MIT / Apache license. See [#3093](https://github.com/rust-lang/rust-clippy/issues/3093) for more information. * With Rust 1.31, Clippy is no longer available via crates.io. The recommended installation method is via `rustup component add clippy`. * New lints: [`redundant_pattern_matching`], [`unnecessary_filter_map`], [`unused_unit`], [`map_flatten`], [`mem_replace_option_with_none`] * Fix ICE in `if_let_redundant_pattern_matching` * Fix ICE in `needless_pass_by_value` when encountering a generic function argument with a lifetime parameter * Fix ICE in `needless_range_loop` * Fix ICE in `single_char_pattern` when encountering a constant value * Fix false positive in `assign_op_pattern` * Fix false positive in `boxed_local` on trait implementations * Fix false positive in `cmp_owned` * Fix false positive in `collapsible_if` when conditionals have comments * Fix false positive in `double_parens` * Fix false positive in `excessive_precision` * Fix false positive in `explicit_counter_loop` * Fix false positive in `fn_to_numeric_cast_with_truncation` * Fix false positive in `map_clone` * Fix false positive in `new_ret_no_self` * Fix false positive in `new_without_default` when `new` is unsafe * Fix false positive in `type_complexity` when using extern types * Fix false positive in `useless_format` * Fix false positive in `wrong_self_convention` * Fix incorrect suggestion for `excessive_precision` * Fix incorrect suggestion for `expect_fun_call` * Fix incorrect suggestion for `get_unwrap` * Fix incorrect suggestion for `useless_format` * `fn_to_numeric_cast_with_truncation` lint can be disabled again * Improve suggestions for `manual_memcpy` * Improve help message for `needless_lifetimes` ## Rust 1.30 Released 2018-10-25 [14207503...125907ad](https://github.com/rust-lang/rust-clippy/compare/14207503...125907ad) * Deprecate `assign_ops` lint * New lints: [`mistyped_literal_suffixes`], [`ptr_offset_with_cast`], [`needless_collect`], [`copy_iterator`] * `cargo clippy -V` now includes the Clippy commit hash of the Rust Clippy component * Fix ICE in `implicit_hasher` * Fix ICE when encountering `println!("{}" a);` * Fix ICE when encountering a macro call in match statements * Fix false positive in `default_trait_access` * Fix false positive in `trivially_copy_pass_by_ref` * Fix false positive in `similar_names` * Fix false positive in `redundant_field_name` * Fix false positive in `expect_fun_call` * Fix false negative in `identity_conversion` * Fix false negative in `explicit_counter_loop` * Fix `range_plus_one` suggestion and false negative * `print_with_newline` / `write_with_newline`: don't warn about string with several `\n`s in them * Fix `useless_attribute` to also whitelist `unused_extern_crates` * Fix incorrect suggestion for `single_char_pattern` * Improve suggestion for `identity_conversion` lint * Move `explicit_iter_loop` and `explicit_into_iter_loop` from `style` group to `pedantic` * Move `range_plus_one` and `range_minus_one` from `nursery` group to `complexity` * Move `shadow_unrelated` from `restriction` group to `pedantic` * Move `indexing_slicing` from `pedantic` group to `restriction` ## Rust 1.29 Released 2018-09-13 [v0.0.212...14207503](https://github.com/rust-lang/rust-clippy/compare/v0.0.212...14207503) * :tada: :tada: **Rust 1.29 is the first stable Rust that includes a bundled Clippy** :tada: :tada: You can now run `rustup component add clippy-preview` and then `cargo clippy` to run Clippy. This should put an end to the continuous nightly upgrades for Clippy users. * Clippy now follows the Rust versioning scheme instead of its own * Fix ICE when encountering a `while let (..) = x.iter()` construct * Fix false positives in `use_self` * Fix false positive in `trivially_copy_pass_by_ref` * Fix false positive in `useless_attribute` lint * Fix false positive in `print_literal` * Fix `use_self` regressions * Improve lint message for `neg_cmp_op_on_partial_ord` * Improve suggestion highlight for `single_char_pattern` * Improve suggestions for various print/write macro lints * Improve website header ## 0.0.212 (2018-07-10) * Rustup to *rustc 1.29.0-nightly (e06c87544 2018-07-06)* ## 0.0.211 * Rustup to *rustc 1.28.0-nightly (e3bf634e0 2018-06-28)* ## 0.0.210 * Rustup to *rustc 1.28.0-nightly (01cc982e9 2018-06-24)* ## 0.0.209 * Rustup to *rustc 1.28.0-nightly (523097979 2018-06-18)* ## 0.0.208 * Rustup to *rustc 1.28.0-nightly (86a8f1a63 2018-06-17)* ## 0.0.207 * Rustup to *rustc 1.28.0-nightly (2a0062974 2018-06-09)* ## 0.0.206 * Rustup to *rustc 1.28.0-nightly (5bf68db6e 2018-05-28)* ## 0.0.205 * Rustup to *rustc 1.28.0-nightly (990d8aa74 2018-05-25)* * Rename `unused_lifetimes` to `extra_unused_lifetimes` because of naming conflict with new rustc lint ## 0.0.204 * Rustup to *rustc 1.28.0-nightly (71e87be38 2018-05-22)* ## 0.0.203 * Rustup to *rustc 1.28.0-nightly (a3085756e 2018-05-19)* * Clippy attributes are now of the form `clippy::cyclomatic_complexity` instead of `clippy(cyclomatic_complexity)` ## 0.0.202 * Rustup to *rustc 1.28.0-nightly (952f344cd 2018-05-18)* ## 0.0.201 * Rustup to *rustc 1.27.0-nightly (2f2a11dfc 2018-05-16)* ## 0.0.200 * Rustup to *rustc 1.27.0-nightly (9fae15374 2018-05-13)* ## 0.0.199 * Rustup to *rustc 1.27.0-nightly (ff2ac35db 2018-05-12)* ## 0.0.198 * Rustup to *rustc 1.27.0-nightly (acd3871ba 2018-05-10)* ## 0.0.197 * Rustup to *rustc 1.27.0-nightly (428ea5f6b 2018-05-06)* ## 0.0.196 * Rustup to *rustc 1.27.0-nightly (e82261dfb 2018-05-03)* ## 0.0.195 * Rustup to *rustc 1.27.0-nightly (ac3c2288f 2018-04-18)* ## 0.0.194 * Rustup to *rustc 1.27.0-nightly (bd40cbbe1 2018-04-14)* * New lints: [`cast_ptr_alignment`], [`transmute_ptr_to_ptr`], [`write_literal`], [`write_with_newline`], [`writeln_empty_string`] ## 0.0.193 * Rustup to *rustc 1.27.0-nightly (eeea94c11 2018-04-06)* ## 0.0.192 * Rustup to *rustc 1.27.0-nightly (fb44b4c0e 2018-04-04)* * New lint: [`print_literal`] ## 0.0.191 * Rustup to *rustc 1.26.0-nightly (ae544ee1c 2018-03-29)* * Lint audit; categorize lints as style, correctness, complexity, pedantic, nursery, restriction. ## 0.0.190 * Fix a bunch of intermittent cargo bugs ## 0.0.189 * Rustup to *rustc 1.26.0-nightly (5508b2714 2018-03-18)* ## 0.0.188 * Rustup to *rustc 1.26.0-nightly (392645394 2018-03-15)* * New lint: [`while_immutable_condition`] ## 0.0.187 * Rustup to *rustc 1.26.0-nightly (322d7f7b9 2018-02-25)* * New lints: [`redundant_field_names`], [`suspicious_arithmetic_impl`], [`suspicious_op_assign_impl`] ## 0.0.186 * Rustup to *rustc 1.25.0-nightly (0c6091fbd 2018-02-04)* * Various false positive fixes ## 0.0.185 * Rustup to *rustc 1.25.0-nightly (56733bc9f 2018-02-01)* * New lint: [`question_mark`] ## 0.0.184 * Rustup to *rustc 1.25.0-nightly (90eb44a58 2018-01-29)* * New lints: [`double_comparisons`], [`empty_line_after_outer_attr`] ## 0.0.183 * Rustup to *rustc 1.25.0-nightly (21882aad7 2018-01-28)* * New lint: [`misaligned_transmute`] ## 0.0.182 * Rustup to *rustc 1.25.0-nightly (a0dcecff9 2018-01-24)* * New lint: [`decimal_literal_representation`] ## 0.0.181 * Rustup to *rustc 1.25.0-nightly (97520ccb1 2018-01-21)* * New lints: [`else_if_without_else`], [`option_option`], [`unit_arg`], [`unnecessary_fold`] * Removed `unit_expr` * Various false positive fixes for [`needless_pass_by_value`] ## 0.0.180 * Rustup to *rustc 1.25.0-nightly (3f92e8d89 2018-01-14)* ## 0.0.179 * Rustup to *rustc 1.25.0-nightly (61452e506 2018-01-09)* ## 0.0.178 * Rustup to *rustc 1.25.0-nightly (ee220daca 2018-01-07)* ## 0.0.177 * Rustup to *rustc 1.24.0-nightly (250b49205 2017-12-21)* * New lint: [`match_as_ref`] ## 0.0.176 * Rustup to *rustc 1.24.0-nightly (0077d128d 2017-12-14)* ## 0.0.175 * Rustup to *rustc 1.24.0-nightly (bb42071f6 2017-12-01)* ## 0.0.174 * Rustup to *rustc 1.23.0-nightly (63739ab7b 2017-11-21)* ## 0.0.173 * Rustup to *rustc 1.23.0-nightly (33374fa9d 2017-11-20)* ## 0.0.172 * Rustup to *rustc 1.23.0-nightly (d0f8e2913 2017-11-16)* ## 0.0.171 * Rustup to *rustc 1.23.0-nightly (ff0f5de3b 2017-11-14)* ## 0.0.170 * Rustup to *rustc 1.23.0-nightly (d6b06c63a 2017-11-09)* ## 0.0.169 * Rustup to *rustc 1.23.0-nightly (3b82e4c74 2017-11-05)* * New lints: [`just_underscores_and_digits`], `result_map_unwrap_or_else`, [`transmute_bytes_to_str`] ## 0.0.168 * Rustup to *rustc 1.23.0-nightly (f0fe716db 2017-10-30)* ## 0.0.167 * Rustup to *rustc 1.23.0-nightly (90ef3372e 2017-10-29)* * New lints: `const_static_lifetime`, [`erasing_op`], [`fallible_impl_from`], [`println_empty_string`], [`useless_asref`] ## 0.0.166 * Rustup to *rustc 1.22.0-nightly (b7960878b 2017-10-18)* * New lints: [`explicit_write`], `identity_conversion`, [`implicit_hasher`], [`invalid_ref`], [`option_map_or_none`], [`range_minus_one`], [`range_plus_one`], [`transmute_int_to_bool`], [`transmute_int_to_char`], [`transmute_int_to_float`] ## 0.0.165 * Rust upgrade to rustc 1.22.0-nightly (0e6f4cf51 2017-09-27) * New lint: [`mut_range_bound`] ## 0.0.164 * Update to *rustc 1.22.0-nightly (6c476ce46 2017-09-25)* * New lint: [`int_plus_one`] ## 0.0.163 * Update to *rustc 1.22.0-nightly (14039a42a 2017-09-22)* ## 0.0.162 * Update to *rustc 1.22.0-nightly (0701b37d9 2017-09-18)* * New lint: [`chars_last_cmp`] * Improved suggestions for [`needless_borrow`], [`ptr_arg`], ## 0.0.161 * Update to *rustc 1.22.0-nightly (539f2083d 2017-09-13)* ## 0.0.160 * Update to *rustc 1.22.0-nightly (dd08c3070 2017-09-12)* ## 0.0.159 * Update to *rustc 1.22.0-nightly (eba374fb2 2017-09-11)* * New lint: [`clone_on_ref_ptr`] ## 0.0.158 * New lint: [`manual_memcpy`] * [`cast_lossless`] no longer has redundant parentheses in its suggestions * Update to *rustc 1.22.0-nightly (dead08cb3 2017-09-08)* ## 0.0.157 - 2017-09-04 * Update to *rustc 1.22.0-nightly (981ce7d8d 2017-09-03)* * New lint: `unit_expr` ## 0.0.156 - 2017-09-03 * Update to *rustc 1.22.0-nightly (744dd6c1d 2017-09-02)* ## 0.0.155 * Update to *rustc 1.21.0-nightly (c11f689d2 2017-08-29)* * New lint: [`infinite_iter`], [`maybe_infinite_iter`], [`cast_lossless`] ## 0.0.154 * Update to *rustc 1.21.0-nightly (2c0558f63 2017-08-24)* * Fix [`use_self`] triggering inside derives * Add support for linting an entire workspace with `cargo clippy --all` * New lint: [`naive_bytecount`] ## 0.0.153 * Update to *rustc 1.21.0-nightly (8c303ed87 2017-08-20)* * New lint: [`use_self`] ## 0.0.152 * Update to *rustc 1.21.0-nightly (df511d554 2017-08-14)* ## 0.0.151 * Update to *rustc 1.21.0-nightly (13d94d5fa 2017-08-10)* ## 0.0.150 * Update to *rustc 1.21.0-nightly (215e0b10e 2017-08-08)* ## 0.0.148 * Update to *rustc 1.21.0-nightly (37c7d0ebb 2017-07-31)* * New lints: [`unreadable_literal`], [`inconsistent_digit_grouping`], [`large_digit_groups`] ## 0.0.147 * Update to *rustc 1.21.0-nightly (aac223f4f 2017-07-30)* ## 0.0.146 * Update to *rustc 1.21.0-nightly (52a330969 2017-07-27)* * Fixes false positives in `inline_always` * Fixes false negatives in `panic_params` ## 0.0.145 * Update to *rustc 1.20.0-nightly (afe145d22 2017-07-23)* ## 0.0.144 * Update to *rustc 1.20.0-nightly (086eaa78e 2017-07-15)* ## 0.0.143 * Update to *rustc 1.20.0-nightly (d84693b93 2017-07-09)* * Fix `cargo clippy` crashing on `dylib` projects * Fix false positives around `nested_while_let` and `never_loop` ## 0.0.142 * Update to *rustc 1.20.0-nightly (067971139 2017-07-02)* ## 0.0.141 * Rewrite of the `doc_markdown` lint. * Deprecated [`range_step_by_zero`] * New lint: [`iterator_step_by_zero`] * New lint: [`needless_borrowed_reference`] * Update to *rustc 1.20.0-nightly (69c65d296 2017-06-28)* ## 0.0.140 - 2017-06-16 * Update to *rustc 1.19.0-nightly (258ae6dd9 2017-06-15)* ## 0.0.139 — 2017-06-10 * Update to *rustc 1.19.0-nightly (4bf5c99af 2017-06-10)* * Fix bugs with for loop desugaring * Check for [`AsRef`]/[`AsMut`] arguments in [`wrong_self_convention`] ## 0.0.138 — 2017-06-05 * Update to *rustc 1.19.0-nightly (0418fa9d3 2017-06-04)* ## 0.0.137 — 2017-06-05 * Update to *rustc 1.19.0-nightly (6684d176c 2017-06-03)* ## 0.0.136 — 2017—05—26 * Update to *rustc 1.19.0-nightly (557967766 2017-05-26)* ## 0.0.135 — 2017—05—24 * Update to *rustc 1.19.0-nightly (5b13bff52 2017-05-23)* ## 0.0.134 — 2017—05—19 * Update to *rustc 1.19.0-nightly (0ed1ec9f9 2017-05-18)* ## 0.0.133 — 2017—05—14 * Update to *rustc 1.19.0-nightly (826d8f385 2017-05-13)* ## 0.0.132 — 2017—05—05 * Fix various bugs and some ices ## 0.0.131 — 2017—05—04 * Update to *rustc 1.19.0-nightly (2d4ed8e0c 2017-05-03)* ## 0.0.130 — 2017—05—03 * Update to *rustc 1.19.0-nightly (6a5fc9eec 2017-05-02)* ## 0.0.129 — 2017-05-01 * Update to *rustc 1.19.0-nightly (06fb4d256 2017-04-30)* ## 0.0.128 — 2017-04-28 * Update to *rustc 1.18.0-nightly (94e884b63 2017-04-27)* ## 0.0.127 — 2017-04-27 * Update to *rustc 1.18.0-nightly (036983201 2017-04-26)* * New lint: [`needless_continue`] ## 0.0.126 — 2017-04-24 * Update to *rustc 1.18.0-nightly (2bd4b5c6d 2017-04-23)* ## 0.0.125 — 2017-04-19 * Update to *rustc 1.18.0-nightly (9f2abadca 2017-04-18)* ## 0.0.124 — 2017-04-16 * Update to *rustc 1.18.0-nightly (d5cf1cb64 2017-04-15)* ## 0.0.123 — 2017-04-07 * Fix various false positives ## 0.0.122 — 2017-04-07 * Rustup to *rustc 1.18.0-nightly (91ae22a01 2017-04-05)* * New lint: [`op_ref`] ## 0.0.121 — 2017-03-21 * Rustup to *rustc 1.17.0-nightly (134c4a0f0 2017-03-20)* ## 0.0.120 — 2017-03-17 * Rustup to *rustc 1.17.0-nightly (0aeb9c129 2017-03-15)* ## 0.0.119 — 2017-03-13 * Rustup to *rustc 1.17.0-nightly (824c9ebbd 2017-03-12)* ## 0.0.118 — 2017-03-05 * Rustup to *rustc 1.17.0-nightly (b1e31766d 2017-03-03)* ## 0.0.117 — 2017-03-01 * Rustup to *rustc 1.17.0-nightly (be760566c 2017-02-28)* ## 0.0.116 — 2017-02-28 * Fix `cargo clippy` on 64 bit windows systems ## 0.0.115 — 2017-02-27 * Rustup to *rustc 1.17.0-nightly (60a0edc6c 2017-02-26)* * New lints: [`zero_ptr`], [`never_loop`], [`mut_from_ref`] ## 0.0.114 — 2017-02-08 * Rustup to *rustc 1.17.0-nightly (c49d10207 2017-02-07)* * Tests are now ui tests (testing the exact output of rustc) ## 0.0.113 — 2017-02-04 * Rustup to *rustc 1.16.0-nightly (eedaa94e3 2017-02-02)* * New lint: [`large_enum_variant`] * `explicit_into_iter_loop` provides suggestions ## 0.0.112 — 2017-01-27 * Rustup to *rustc 1.16.0-nightly (df8debf6d 2017-01-25)* ## 0.0.111 — 2017-01-21 * Rustup to *rustc 1.16.0-nightly (a52da95ce 2017-01-20)* ## 0.0.110 — 2017-01-20 * Add badges and categories to `Cargo.toml` ## 0.0.109 — 2017-01-19 * Update to *rustc 1.16.0-nightly (c07a6ae77 2017-01-17)* ## 0.0.108 — 2017-01-12 * Update to *rustc 1.16.0-nightly (2782e8f8f 2017-01-12)* ## 0.0.107 — 2017-01-11 * Update regex dependency * Fix FP when matching `&&mut` by `&ref` * Reintroduce `for (_, x) in &mut hash_map` -> `for x in hash_map.values_mut()` * New lints: [`unused_io_amount`], [`forget_ref`], [`short_circuit_statement`] ## 0.0.106 — 2017-01-04 * Fix FP introduced by rustup in [`wrong_self_convention`] ## 0.0.105 — 2017-01-04 * Update to *rustc 1.16.0-nightly (468227129 2017-01-03)* * New lints: [`deref_addrof`], [`double_parens`], [`pub_enum_variant_names`] * Fix suggestion in [`new_without_default`] * FP fix in [`absurd_extreme_comparisons`] ## 0.0.104 — 2016-12-15 * Update to *rustc 1.15.0-nightly (8f02c429a 2016-12-15)* ## 0.0.103 — 2016-11-25 * Update to *rustc 1.15.0-nightly (d5814b03e 2016-11-23)* ## 0.0.102 — 2016-11-24 * Update to *rustc 1.15.0-nightly (3bf2be9ce 2016-11-22)* ## 0.0.101 — 2016-11-23 * Update to *rustc 1.15.0-nightly (7b3eeea22 2016-11-21)* * New lint: [`string_extend_chars`] ## 0.0.100 — 2016-11-20 * Update to *rustc 1.15.0-nightly (ac635aa95 2016-11-18)* ## 0.0.99 — 2016-11-18 * Update to rustc 1.15.0-nightly (0ed951993 2016-11-14) * New lint: [`get_unwrap`] ## 0.0.98 — 2016-11-08 * Fixes an issue due to a change in how cargo handles `--sysroot`, which broke `cargo clippy` ## 0.0.97 — 2016-11-03 * For convenience, `cargo clippy` defines a `cargo-clippy` feature. This was previously added for a short time under the name `clippy` but removed for compatibility. * `cargo clippy --help` is more helping (and less helpful :smile:) * Rustup to *rustc 1.14.0-nightly (5665bdf3e 2016-11-02)* * New lints: [`if_let_redundant_pattern_matching`], [`partialeq_ne_impl`] ## 0.0.96 — 2016-10-22 * Rustup to *rustc 1.14.0-nightly (f09420685 2016-10-20)* * New lint: [`iter_skip_next`] ## 0.0.95 — 2016-10-06 * Rustup to *rustc 1.14.0-nightly (3210fd5c2 2016-10-05)* ## 0.0.94 — 2016-10-04 * Fixes bustage on Windows due to forbidden directory name ## 0.0.93 — 2016-10-03 * Rustup to *rustc 1.14.0-nightly (144af3e97 2016-10-02)* * `option_map_unwrap_or` and `option_map_unwrap_or_else` are now allowed by default. * New lint: [`explicit_into_iter_loop`] ## 0.0.92 — 2016-09-30 * Rustup to *rustc 1.14.0-nightly (289f3a4ca 2016-09-29)* ## 0.0.91 — 2016-09-28 * Rustup to *rustc 1.13.0-nightly (d0623cf7b 2016-09-26)* ## 0.0.90 — 2016-09-09 * Rustup to *rustc 1.13.0-nightly (f1f40f850 2016-09-09)* ## 0.0.89 — 2016-09-06 * Rustup to *rustc 1.13.0-nightly (cbe4de78e 2016-09-05)* ## 0.0.88 — 2016-09-04 * Rustup to *rustc 1.13.0-nightly (70598e04f 2016-09-03)* * The following lints are not new but were only usable through the `clippy` lint groups: [`filter_next`], `for_loop_over_option`, `for_loop_over_result` and [`match_overlapping_arm`]. You should now be able to `#[allow/deny]` them individually and they are available directly through `cargo clippy`. ## 0.0.87 — 2016-08-31 * Rustup to *rustc 1.13.0-nightly (eac41469d 2016-08-30)* * New lints: [`builtin_type_shadow`] * Fix FP in [`zero_prefixed_literal`] and `0b`/`0o` ## 0.0.86 — 2016-08-28 * Rustup to *rustc 1.13.0-nightly (a23064af5 2016-08-27)* * New lints: [`missing_docs_in_private_items`], [`zero_prefixed_literal`] ## 0.0.85 — 2016-08-19 * Fix ICE with [`useless_attribute`] * [`useless_attribute`] ignores `unused_imports` on `use` statements ## 0.0.84 — 2016-08-18 * Rustup to *rustc 1.13.0-nightly (aef6971ca 2016-08-17)* ## 0.0.83 — 2016-08-17 * Rustup to *rustc 1.12.0-nightly (1bf5fa326 2016-08-16)* * New lints: [`print_with_newline`], [`useless_attribute`] ## 0.0.82 — 2016-08-17 * Rustup to *rustc 1.12.0-nightly (197be89f3 2016-08-15)* * New lint: [`module_inception`] ## 0.0.81 — 2016-08-14 * Rustup to *rustc 1.12.0-nightly (1deb02ea6 2016-08-12)* * New lints: [`eval_order_dependence`], [`mixed_case_hex_literals`], [`unseparated_literal_suffix`] * False positive fix in [`too_many_arguments`] * Addition of functionality to [`needless_borrow`] * Suggestions for [`clone_on_copy`] * Bug fix in [`wrong_self_convention`] * Doc improvements ## 0.0.80 — 2016-07-31 * Rustup to *rustc 1.12.0-nightly (1225e122f 2016-07-30)* * New lints: [`misrefactored_assign_op`], [`serde_api_misuse`] ## 0.0.79 — 2016-07-10 * Rustup to *rustc 1.12.0-nightly (f93aaf84c 2016-07-09)* * Major suggestions refactoring ## 0.0.78 — 2016-07-02 * Rustup to *rustc 1.11.0-nightly (01411937f 2016-07-01)* * New lints: [`wrong_transmute`], [`double_neg`], [`filter_map`] * For compatibility, `cargo clippy` does not defines the `clippy` feature introduced in 0.0.76 anymore * [`collapsible_if`] now considers `if let` ## 0.0.77 — 2016-06-21 * Rustup to *rustc 1.11.0-nightly (5522e678b 2016-06-20)* * New lints: `stutter` and [`iter_nth`] ## 0.0.76 — 2016-06-10 * Rustup to *rustc 1.11.0-nightly (7d2f75a95 2016-06-09)* * `cargo clippy` now automatically defines the `clippy` feature * New lint: [`not_unsafe_ptr_arg_deref`] ## 0.0.75 — 2016-06-08 * Rustup to *rustc 1.11.0-nightly (763f9234b 2016-06-06)* ## 0.0.74 — 2016-06-07 * Fix bug with `cargo-clippy` JSON parsing * Add the `CLIPPY_DISABLE_DOCS_LINKS` environment variable to deactivate the “for further information visit *lint-link*” message. ## 0.0.73 — 2016-06-05 * Fix false positives in [`useless_let_if_seq`] ## 0.0.72 — 2016-06-04 * Fix false positives in [`useless_let_if_seq`] ## 0.0.71 — 2016-05-31 * Rustup to *rustc 1.11.0-nightly (a967611d8 2016-05-30)* * New lint: [`useless_let_if_seq`] ## 0.0.70 — 2016-05-28 * Rustup to *rustc 1.10.0-nightly (7bddce693 2016-05-27)* * [`invalid_regex`] and [`trivial_regex`] can now warn on `RegexSet::new`, `RegexBuilder::new` and byte regexes ## 0.0.69 — 2016-05-20 * Rustup to *rustc 1.10.0-nightly (476fe6eef 2016-05-21)* * [`used_underscore_binding`] has been made `Allow` temporarily ## 0.0.68 — 2016-05-17 * Rustup to *rustc 1.10.0-nightly (cd6a40017 2016-05-16)* * New lint: [`unnecessary_operation`] ## 0.0.67 — 2016-05-12 * Rustup to *rustc 1.10.0-nightly (22ac88f1a 2016-05-11)* ## 0.0.66 — 2016-05-11 * New `cargo clippy` subcommand * New lints: [`assign_op_pattern`], [`assign_ops`], [`needless_borrow`] ## 0.0.65 — 2016-05-08 * Rustup to *rustc 1.10.0-nightly (62e2b2fb7 2016-05-06)* * New lints: [`float_arithmetic`], [`integer_arithmetic`] ## 0.0.64 — 2016-04-26 * Rustup to *rustc 1.10.0-nightly (645dd013a 2016-04-24)* * New lints: [`temporary_cstring_as_ptr`], [`unsafe_removed_from_name`], and [`mem_forget`] ## 0.0.63 — 2016-04-08 * Rustup to *rustc 1.9.0-nightly (7979dd608 2016-04-07)* ## 0.0.62 — 2016-04-07 * Rustup to *rustc 1.9.0-nightly (bf5da36f1 2016-04-06)* ## 0.0.61 — 2016-04-03 * Rustup to *rustc 1.9.0-nightly (5ab11d72c 2016-04-02)* * New lint: [`invalid_upcast_comparisons`] ## 0.0.60 — 2016-04-01 * Rustup to *rustc 1.9.0-nightly (e1195c24b 2016-03-31)* ## 0.0.59 — 2016-03-31 * Rustup to *rustc 1.9.0-nightly (30a3849f2 2016-03-30)* * New lints: [`logic_bug`], [`nonminimal_bool`] * Fixed: [`match_same_arms`] now ignores arms with guards * Improved: [`useless_vec`] now warns on `for … in vec![…]` ## 0.0.58 — 2016-03-27 * Rustup to *rustc 1.9.0-nightly (d5a91e695 2016-03-26)* * New lint: [`doc_markdown`] ## 0.0.57 — 2016-03-27 * Update to *rustc 1.9.0-nightly (a1e29daf1 2016-03-25)* * Deprecated lints: [`str_to_string`], [`string_to_string`], [`unstable_as_slice`], [`unstable_as_mut_slice`] * New lint: [`crosspointer_transmute`] ## 0.0.56 — 2016-03-23 * Update to *rustc 1.9.0-nightly (0dcc413e4 2016-03-22)* * New lints: [`many_single_char_names`] and [`similar_names`] ## 0.0.55 — 2016-03-21 * Update to *rustc 1.9.0-nightly (02310fd31 2016-03-19)* ## 0.0.54 — 2016-03-16 * Update to *rustc 1.9.0-nightly (c66d2380a 2016-03-15)* ## 0.0.53 — 2016-03-15 * Add a [configuration file] ## ~~0.0.52~~ ## 0.0.51 — 2016-03-13 * Add `str` to types considered by [`len_zero`] * New lints: [`indexing_slicing`] ## 0.0.50 — 2016-03-11 * Update to *rustc 1.9.0-nightly (c9629d61c 2016-03-10)* ## 0.0.49 — 2016-03-09 * Update to *rustc 1.9.0-nightly (eabfc160f 2016-03-08)* * New lints: [`overflow_check_conditional`], [`unused_label`], [`new_without_default`] ## 0.0.48 — 2016-03-07 * Fixed: ICE in [`needless_range_loop`] with globals ## 0.0.47 — 2016-03-07 * Update to *rustc 1.9.0-nightly (998a6720b 2016-03-07)* * New lint: [`redundant_closure_call`] [`AsMut`]: https://doc.rust-lang.org/std/convert/trait.AsMut.html [`AsRef`]: https://doc.rust-lang.org/std/convert/trait.AsRef.html [configuration file]: ./rust-clippy#configuration [pull3665]: https://github.com/rust-lang/rust-clippy/pull/3665 [adding_lints]: https://github.com/rust-lang/rust-clippy/blob/master/doc/adding_lints.md [`absurd_extreme_comparisons`]: https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons [`almost_swapped`]: 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