mirror of https://github.com/rust-lang/rust
24 lines
730 B
Rust
24 lines
730 B
Rust
//@ revisions: e2021 e2024
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//@[e2021] edition: 2021
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//@[e2021] run-rustfix
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//@[e2024] edition: 2024
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//@[e2024] compile-flags: -Zunstable-options
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//@[e2024] check-pass
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#![deny(rust_2024_prelude_collisions)]
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trait Meow {
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fn into_future(&self) {}
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}
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impl Meow for Cat {}
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struct Cat;
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fn main() {
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// This is a false positive, but it should be rare enough to not matter, and checking whether
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// it implements the trait can have other nontrivial consequences, so it was decided to accept
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// this.
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Meow::into_future(&Cat);
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//[e2021]~^ ERROR trait method `into_future` will become ambiguous in Rust 2024
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//[e2021]~| WARN this is accepted in the current edition (Rust 2021) but is a hard error in Rust 2024!
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}
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