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Fix unit_expr expectations and changelog entry

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Manish Goregaokar 2017-09-03 14:14:07 -07:00
parent e56da2782c
commit 35eda0531a
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3 changed files with 33 additions and 26 deletions
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6
CHANGELOG.md
View file

@ -1,7 +1,10 @@
# Change Log
All notable changes to this project will be documented in this file.
## 0.0.156
## Master
* New lint: [`unit_expr`]
## 0.0.156 - 2017-09-03
* Update to *rustc 1.22.0-nightly (744dd6c1d 2017-09-02)*
## 0.0.155
@ -602,6 +605,7 @@ All notable changes to this project will be documented in this file.
[`type_complexity`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#type_complexity
[`unicode_not_nfc`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unicode_not_nfc
[`unit_cmp`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unit_cmp
[`unit_expr`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unit_expr
[`unnecessary_cast`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unnecessary_cast
[`unnecessary_mut_passed`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[`unnecessary_operation`]: https://rust-lang-nursery.github.io/rust-clippy/master/index.html#unnecessary_operation

4
clippy_lints/src/lib.rs
View file

@ -91,8 +91,8 @@ pub mod functions;
pub mod identity_op;
pub mod if_let_redundant_pattern_matching;
pub mod if_not_else;
pub mod is_unit_expr;
pub mod infinite_iter;
pub mod is_unit_expr;
pub mod items_after_statements;
pub mod large_enum_variant;
pub mod len_zero;
@ -423,6 +423,7 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
identity_op::IDENTITY_OP,
if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
infinite_iter::INFINITE_ITER,
is_unit_expr::UNIT_EXPR,
large_enum_variant::LARGE_ENUM_VARIANT,
len_zero::LEN_WITHOUT_IS_EMPTY,
len_zero::LEN_ZERO,
@ -506,7 +507,6 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
panic::PANIC_PARAMS,
partialeq_ne_impl::PARTIALEQ_NE_IMPL,
precedence::PRECEDENCE,
is_unit_expr::UNIT_EXPR,
print::PRINT_WITH_NEWLINE,
ptr::CMP_NULL,
ptr::MUT_FROM_REF,

49
tests/ui/is_unit_expr.stderr
View file

@ -1,52 +1,55 @@
error: This expression evaluates to the Unit type ()
--> $DIR/is_unit_expr.rs:9:13
--> $DIR/is_unit_expr.rs:8:13
|
9 | let x = {
8 | let x = {
| _____________^
10 | | "foo";
11 | | "baz";
12 | | };
9 | | "foo";
10 | | "baz";
11 | | };
| |_____^
|
= note: `-D unit-expr` implied by `-D warnings`
note: Consider removing the trailing semicolon
--> $DIR/is_unit_expr.rs:11:9
--> $DIR/is_unit_expr.rs:10:9
|
11 | "baz";
10 | "baz";
| ^^^^^^
error: This expression evaluates to the Unit type ()
--> $DIR/is_unit_expr.rs:23:13
--> $DIR/is_unit_expr.rs:22:13
|
23 | let z = if true{
22 | let z = if true {
| _____________^
24 | | "foo";
25 | | } else{
26 | | "bar";
27 | | };
23 | | "foo";
24 | | } else {
25 | | "bar";
26 | | };
| |_____^
|
note: Consider removing the trailing semicolon
--> $DIR/is_unit_expr.rs:26:9
--> $DIR/is_unit_expr.rs:25:9
|
26 | "bar";
25 | "bar";
| ^^^^^^
error: This expression evaluates to the Unit type ()
--> $DIR/is_unit_expr.rs:39:14
--> $DIR/is_unit_expr.rs:40:14
|
39 | let a3 = match a1 {
40 | let a3 = match a1 {
| ______________^
40 | | Some(x) => {x;},
41 | | _ => {0;},
42 | | };
41 | | Some(x) => {
42 | | x;
43 | | },
... |
46 | | },
47 | | };
| |_____^
|
note: Consider removing the trailing semicolon
--> $DIR/is_unit_expr.rs:40:21
--> $DIR/is_unit_expr.rs:42:13
|
40 | Some(x) => {x;},
| ^^
42 | x;
| ^^
error: aborting due to 3 previous errors