rust/tests/ui/const-generics/issues/issue-89146.rs

27 lines
360 B
Rust

//@ build-pass
#![allow(incomplete_features)]
#![feature(generic_const_exprs)]
pub trait Foo {
const SIZE: usize;
fn to_bytes(&self) -> [u8; Self::SIZE];
}
pub fn bar<G: Foo>(a: &G) -> u8
where
[(); G::SIZE]: Sized,
{
deeper_bar(a)
}
fn deeper_bar<G: Foo>(a: &G) -> u8
where
[(); G::SIZE]: Sized,
{
a.to_bytes()[0]
}
fn main() {}