mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-23 21:23:56 +00:00
092c4595fe
- now it handles `while let` case - better suggestions in `if let` case
93 lines
1.6 KiB
Rust
93 lines
1.6 KiB
Rust
// run-rustfix
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#![warn(clippy::all)]
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#![warn(clippy::redundant_pattern_matching)]
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#![allow(clippy::unit_arg, unused_must_use, clippy::needless_bool)]
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fn main() {
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if Ok::<i32, i32>(42).is_ok() {}
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if Err::<i32, i32>(42).is_err() {}
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if None::<()>.is_none() {}
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if Some(42).is_some() {}
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if Some(42).is_some() {
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foo();
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} else {
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bar();
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}
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while Some(42).is_some() {}
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while Some(42).is_none() {}
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while None::<()>.is_none() {}
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while Ok::<i32, i32>(10).is_ok() {}
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while Ok::<i32, i32>(10).is_err() {}
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let mut v = vec![1, 2, 3];
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while v.pop().is_some() {
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foo();
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}
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if Ok::<i32, i32>(42).is_ok() {}
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if Err::<i32, i32>(42).is_err() {}
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if None::<i32>.is_none() {}
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if Some(42).is_some() {}
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if let Ok(x) = Ok::<i32, i32>(42) {
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println!("{}", x);
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}
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Ok::<i32, i32>(42).is_ok();
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Ok::<i32, i32>(42).is_err();
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Err::<i32, i32>(42).is_err();
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Err::<i32, i32>(42).is_ok();
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Some(42).is_some();
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None::<()>.is_none();
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let _ = None::<()>.is_none();
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let _ = if Ok::<usize, ()>(4).is_ok() { true } else { false };
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let _ = does_something();
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let _ = returns_unit();
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let opt = Some(false);
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let x = if opt.is_some() { true } else { false };
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takes_bool(x);
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}
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fn takes_bool(_: bool) {}
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fn foo() {}
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fn bar() {}
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fn does_something() -> bool {
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if Ok::<i32, i32>(4).is_ok() {
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true
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} else {
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false
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}
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}
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fn returns_unit() {
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if Ok::<i32, i32>(4).is_ok() {
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true
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} else {
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false
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};
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}
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