35 lines
1.1 KiB
Rust
35 lines
1.1 KiB
Rust
#![allow(dead_code)]
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fn main() {
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let _ = (0..4).find_map(|x| if x > 1 { Some(x) } else { None });
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//~^ ERROR: this `.find_map` can be written more simply using `.find`
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//~| NOTE: `-D clippy::unnecessary-find-map` implied by `-D warnings`
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let _ = (0..4).find_map(|x| {
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//~^ ERROR: this `.find_map` can be written more simply using `.find`
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if x > 1 {
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return Some(x);
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};
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None
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});
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let _ = (0..4).find_map(|x| match x {
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//~^ ERROR: this `.find_map` can be written more simply using `.find`
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0 | 1 => None,
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_ => Some(x),
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});
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let _ = (0..4).find_map(|x| Some(x + 1));
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//~^ ERROR: this `.find_map` can be written more simply using `.map(..).next()`
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let _ = (0..4).find_map(i32::checked_abs);
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}
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fn find_map_none_changes_item_type() -> Option<bool> {
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"".chars().find_map(|_| None)
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}
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fn issue11260() {
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let y = Some(1);
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let _x = std::iter::once(1).find_map(|n| (n > 1).then_some(n));
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let _x = std::iter::once(1).find_map(|n| (n > 1).then_some(y)); // different option, so can't be just `.find()`
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}
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