c71f0bebd2
Add manual_ignore_cast_cmp lint
```rust
// bad
fn compare(a: &str, b: &str) -> bool {
a.to_ascii_lowercase() == b.to_ascii_lowercase()
|| a.to_ascii_lowercase() == "abc"
}
// good
fn compare(a: &str, b: &str) -> bool {
a.eq_ignore_ascii_case(b)
|| a.eq_ignore_ascii_case("abc")
}
```
- [x] Followed [lint naming conventions][lint_naming]
- [x] Added passing UI tests (including committed `.stderr` file)
- [x] `cargo test` passes locally
- [x] Executed `cargo dev update_lints`
- [x] Added lint documentation
- [x] Run `cargo dev fmt`
changelog: New lint: [`manual_ignore_case_cmp`] `perf`
[#13334](https://github.com/rust-lang/rust-clippy/pull/13334)
Closes #13204
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| .. | ||
| src | ||
| Cargo.toml | ||
| README.md | ||