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https://github.com/rust-lang/rust-clippy
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12 lines
288 B
Rust
12 lines
288 B
Rust
#![warn(clippy::flat_map_option)]
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#![allow(clippy::redundant_closure, clippy::unnecessary_filter_map)]
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fn main() {
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// yay
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let c = |x| Some(x);
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let _ = [1].iter().flat_map(c);
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let _ = [1].iter().flat_map(Some);
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// nay
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let _ = [1].iter().flat_map(|_| &Some(1));
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}
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