Don't emit enum_variant_names if remainder starts with a numeric
changelog: Fix false positive in `pub_enum_variant_names` and `enum_variant_names`
As [per the reference](https://doc.rust-lang.org/reference/identifiers.html), identifiers must start with a letter. So we don't suggest a better
variant naming in case the remainder would start with a numeric.
Fixes#739
Update Readme
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changelog: none
Add recursion check on main function
Changes:
- Add MainRecursion lint to Clippy
- Check for no-std setup
fixes#333
changelog: Add `main_recursion` lint
Split up cast.rs tests, run-rustfix for unnecessary_cast
This splits up the cast.rs tests and enables rustfix tests for the part
of the `unnecessary_cast` lint that emits `MachineApplicable`
suggestions.
changelog: none
cc #3630
This splits up the cast.rs tests and enables rustfix tests for the part
of the `unnecessary_cast` lint that emits `MachineApplicable`
suggestions.
cc #3630
Add negation to `len_zero` lint to show more explicit message.
Fixes#4304 I have updated the `len_zero` to show the required negation in case of like the below case.
```
fn main() {
let v = vec![1];
if v.len() > 0 {
}
}
```
changelog: Clarify suggestion of `len_zero` lint.
Fix `for on` typo
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closes#4317
changelog: minor typo fix
UI Test Cleanup: No wrong_self_convention in methods.rs
These cases are already covered in `tests/ui/wrong_self_convention.rs`.
cc #2038
changelog: none
Mark `fn_to_numeric_cast` lints as MaybeIncorrect
At least for now so that `cargo fix --clippy` is not causing problems
with this lint. See #3896 for the remaining problems with the suggestions of this lint.
changelog: none
cc #3630, #3896
