mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-10 23:24:24 +00:00
37 lines
1 KiB
Rust
37 lines
1 KiB
Rust
// run-rustfix
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#![allow(dead_code)]
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#![warn(clippy::manual_find_map)]
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#![allow(clippy::redundant_closure)] // FIXME suggestion may have redundant closure
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fn main() {
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// is_some(), unwrap()
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let _ = (0..).find(|n| to_opt(*n).is_some()).map(|a| to_opt(a).unwrap());
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// ref pattern, expect()
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let _ = (0..).find(|&n| to_opt(n).is_some()).map(|a| to_opt(a).expect("hi"));
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// is_ok(), unwrap_or()
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let _ = (0..).find(|&n| to_res(n).is_ok()).map(|a| to_res(a).unwrap_or(1));
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}
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fn no_lint() {
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// no shared code
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let _ = (0..).filter(|n| *n > 1).map(|n| n + 1);
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// very close but different since filter() provides a reference
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let _ = (0..).find(|n| to_opt(n).is_some()).map(|a| to_opt(a).unwrap());
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// similar but different
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let _ = (0..).find(|n| to_opt(n).is_some()).map(|n| to_res(n).unwrap());
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let _ = (0..)
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.find(|n| to_opt(n).map(|n| n + 1).is_some())
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.map(|a| to_opt(a).unwrap());
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}
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fn to_opt<T>(_: T) -> Option<T> {
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unimplemented!()
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}
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fn to_res<T>(_: T) -> Result<T, ()> {
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unimplemented!()
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}
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