diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/manual_filter.fixed')
-rw-r--r-- | src/tools/clippy/tests/ui/manual_filter.fixed | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/manual_filter.fixed b/src/tools/clippy/tests/ui/manual_filter.fixed new file mode 100644 index 000000000..3553291b8 --- /dev/null +++ b/src/tools/clippy/tests/ui/manual_filter.fixed @@ -0,0 +1,119 @@ +// run-rustfix + +#![warn(clippy::manual_filter)] +#![allow(unused_variables, dead_code)] + +fn main() { + Some(0).filter(|&x| x <= 0); + + Some(1).filter(|&x| x <= 0); + + Some(2).filter(|&x| x <= 0); + + Some(3).filter(|&x| x > 0); + + let y = Some(4); + y.filter(|&x| x <= 0); + + Some(5).filter(|&x| x > 0); + + Some(6).as_ref().filter(|&x| x > &0); + + let external_cond = true; + Some(String::new()).filter(|x| external_cond); + + Some(7).filter(|&x| external_cond); + + Some(8).filter(|&x| x != 0); + + Some(9).filter(|&x| x > 10 && x < 100); + + const fn f1() { + // Don't lint, `.filter` is not const + match Some(10) { + Some(x) => { + if x > 10 && x < 100 { + Some(x) + } else { + None + } + }, + None => None, + }; + } + + #[allow(clippy::blocks_in_if_conditions)] + Some(11).filter(|&x| { + println!("foo"); + x > 10 && x < 100 + }); + + match Some(12) { + // Don't Lint, statement is lost by `.filter` + Some(x) => { + if x > 10 && x < 100 { + println!("foo"); + Some(x) + } else { + None + } + }, + None => None, + }; + + match Some(13) { + // Don't Lint, because of `None => Some(1)` + Some(x) => { + if x > 10 && x < 100 { + println!("foo"); + Some(x) + } else { + None + } + }, + None => Some(1), + }; + + unsafe fn f(x: u32) -> bool { + true + } + let _ = Some(14).filter(|&x| unsafe { f(x) }); + let _ = Some(15).filter(|&x| unsafe { f(x) }); + + #[allow(clippy::redundant_pattern_matching)] + if let Some(_) = Some(16) { + Some(16) + } else { Some(16).filter(|&x| x % 2 == 0) }; + + match Some((17, 17)) { + // Not linted for now could be + Some((x, y)) => { + if y != x { + Some((x, y)) + } else { + None + } + }, + None => None, + }; + + struct NamedTuple { + pub x: u8, + pub y: (i32, u32), + } + + match Some(NamedTuple { + // Not linted for now could be + x: 17, + y: (18, 19), + }) { + Some(NamedTuple { x, y }) => { + if y.1 != x as u32 { + Some(NamedTuple { x, y }) + } else { + None + } + }, + None => None, + }; +} |