168 lines
2.9 KiB
Rust
168 lines
2.9 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(
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clippy::unit_arg,
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unused_must_use,
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clippy::needless_bool,
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clippy::match_like_matches_macro,
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deprecated
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)]
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fn main() {
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let result: Result<usize, usize> = Err(5);
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if result.is_ok() {}
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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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issue5697();
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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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// None of these should be linted because none of the suggested methods
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// are `const fn` without toggling a feature.
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const fn issue5697() {
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if let Ok(_) = Ok::<i32, i32>(42) {}
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if let Err(_) = Err::<i32, i32>(42) {}
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if let Some(_) = Some(42) {}
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if let None = None::<()> {}
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while let Ok(_) = Ok::<i32, i32>(10) {}
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while let Err(_) = Ok::<i32, i32>(10) {}
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while let Some(_) = Some(42) {}
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while let None = None::<()> {}
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match Ok::<i32, i32>(42) {
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Ok(_) => true,
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Err(_) => false,
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};
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match Err::<i32, i32>(42) {
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Ok(_) => false,
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Err(_) => true,
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};
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match Some(42) {
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Some(_) => true,
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None => false,
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};
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match None::<()> {
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Some(_) => false,
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None => true,
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};
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}
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