mirror of https://github.com/rust-lang/rust
28 lines
385 B
Rust
28 lines
385 B
Rust
//@ build-pass
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#![feature(const_trait_impl, effects)]
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#[const_trait]
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trait Func<T> {
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type Output;
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fn call_once(self, arg: T) -> Self::Output;
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}
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struct Closure;
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impl const Func<&usize> for Closure {
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type Output = usize;
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fn call_once(self, arg: &usize) -> Self::Output {
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*arg
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}
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}
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enum Bug<T = [(); Closure.call_once(&0) ]> {
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V(T),
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}
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fn main() {}
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