mirror of https://github.com/rust-lang/rust
24 lines
322 B
Rust
24 lines
322 B
Rust
#![allow(incomplete_features)]
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#![feature(generic_const_exprs)]
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trait Foo {
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const N: usize;
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}
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impl Foo for u8 {
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const N: usize = 1;
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}
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fn foo<T: Foo>(_: [u8; T::N]) -> T {
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todo!()
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}
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pub fn bar() {
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let _: u8 = foo([0; 1]);
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let _ = foo([0; 1]);
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//~^ ERROR type annotations needed
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}
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fn main() {}
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