mirror of https://github.com/rust-lang/rust
22 lines
531 B
Rust
22 lines
531 B
Rust
// This is a regression test for #52967, where we discovered that in
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// the initial deployment of NLL for the 2018 edition, I forgot to
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// turn on two-phase-borrows in addition to `-Z borrowck=migrate`.
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//@ revisions: edition2015 edition2018
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//@[edition2018]edition:2018
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//@ run-pass
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fn the_bug() {
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let mut stuff = ("left", "right");
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match stuff {
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(ref mut left, _) if *left == "left" => { *left = "new left"; }
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_ => {}
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}
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assert_eq!(stuff, ("new left", "right"));
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}
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fn main() {
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the_bug();
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}
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