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This adds the migration lint for the newly ambiguous methods `poll` and `into_future`. When these methods are used on types implementing the respective traits, it will be ambiguous in the future, which can lead to hard errors or behavior changes depending on the exact circumstances.
18 lines
447 B
Rust
18 lines
447 B
Rust
//@ edition: 2021
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#![deny(rust_2024_compatibility)]
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trait Meow {
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fn poll(&self, _ctx: &mut core::task::Context<'_>) {}
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}
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impl<T> Meow for T {}
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fn main() {
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core::pin::pin!(async {}).poll(&mut context());
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//~^ ERROR trait method `poll` will become ambiguous in Rust 2024
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//~| 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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fn context() -> core::task::Context<'static> {
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loop {}
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}
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