mirror of https://github.com/rust-lang/rust
29 lines
642 B
Rust
29 lines
642 B
Rust
#![allow(incomplete_features)]
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#![feature(const_trait_impl, effects, try_trait_v2, const_try)]
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use std::ops::{FromResidual, Try};
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struct TryMe;
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struct Error;
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impl const FromResidual<Error> for TryMe {}
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//~^ ERROR const `impl` for trait `FromResidual` which is not marked with `#[const_trait]`
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//~| ERROR not all trait items implemented
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impl const Try for TryMe {
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//~^ ERROR const `impl` for trait `Try` which is not marked with `#[const_trait]`
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//~| ERROR not all trait items implemented
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type Output = ();
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type Residual = Error;
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}
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const fn t() -> TryMe {
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TryMe?;
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TryMe
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}
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const _: () = {
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t();
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};
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fn main() {}
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