mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-05 02:50:32 +00:00
69fe6b4c98
- now it gives correct suggestion in case of macros - better tests - remove a couple of non-relevant tests
119 lines
2 KiB
Rust
119 lines
2 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, deprecated)]
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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 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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issue5504();
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let _ = if gen_opt().is_some() {
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1
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} else if gen_opt().is_none() {
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2
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} else if gen_res().is_ok() {
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3
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} else if gen_res().is_err() {
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4
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} else {
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5
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};
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}
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fn gen_opt() -> Option<()> {
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None
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}
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fn gen_res() -> Result<(), ()> {
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Ok(())
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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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macro_rules! m {
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() => {
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Some(42u32)
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};
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}
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fn issue5504() {
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fn result_opt() -> Result<Option<i32>, i32> {
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Err(42)
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}
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fn try_result_opt() -> Result<i32, i32> {
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while r#try!(result_opt()).is_some() {}
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if r#try!(result_opt()).is_some() {}
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Ok(42)
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}
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try_result_opt();
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if m!().is_some() {}
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while m!().is_some() {}
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}
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