mirror of https://github.com/rust-lang/rust
17 lines
393 B
Rust
17 lines
393 B
Rust
// References to by-mutable-ref bindings in an if-let guard *can* be used after the guard.
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//@ check-pass
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#![feature(if_let_guard)]
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fn main() {
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let mut x: Option<Option<String>> = Some(Some(String::new()));
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match x {
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Some(ref mut y) if let Some(ref z) = *y => {
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let _z: &String = z;
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let _y: &mut Option<String> = y;
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}
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_ => {}
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}
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}
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