mirror of https://github.com/rust-lang/rust
22 lines
579 B
Rust
22 lines
579 B
Rust
// Capture a coherence pattern from wasm-bindgen that we discovered as part of
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// future-compatibility warning #56105. This pattern currently receives a lint
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// warning but we probably want to support it long term.
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//
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// Key distinction: we are implementing once for `A` (take ownership) and one
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// for `&A` (borrow).
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//
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// c.f. #56105
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#![deny(coherence_leak_check)]
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trait TheTrait {}
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impl<'a> TheTrait for fn(&'a u8) {}
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impl TheTrait for fn(&u8) {
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//~^ ERROR conflicting implementations of trait
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//~| WARN the behavior may change in a future release
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}
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fn main() {}
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