cd70152470
Until `if let` chains are stabilized, we do not collapse them together or with other `if` expressions unless the `let_chains` feature is enabled. This is the case for example in Clippy sources.
29 lines
604 B
Rust
29 lines
604 B
Rust
#![feature(let_chains)]
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#![warn(clippy::collapsible_if)]
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fn main() {
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if let Some(a) = Some(3) {
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// with comment, so do not lint
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if let Some(b) = Some(4) {
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let _ = a + b;
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}
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}
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if let Some(a) = Some(3)
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&& let Some(b) = Some(4) {
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let _ = a + b;
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}
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//~^^^^^ collapsible_if
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if let Some(a) = Some(3)
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&& a + 1 == 4 {
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let _ = a;
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}
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//~^^^^^ collapsible_if
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if Some(3) == Some(4).map(|x| x - 1)
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&& let Some(b) = Some(4) {
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let _ = b;
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}
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//~^^^^^ collapsible_if
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}
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