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 | // check-pass
#![feature(generic_const_exprs)]
#![allow(incomplete_features)]
use std::mem::size_of;
struct Foo<T, const N: usize>(T);
impl<T> Foo<T, { size_of::<T>() }> {
    fn test() {
        let _: [u8; std::mem::size_of::<T>()];
    }
}
trait Bar<const N: usize> {
    fn test_me();
}
impl<T> Bar<{ size_of::<T>() }> for Foo<T, 3> {
    fn test_me() {
        let _: [u8; std::mem::size_of::<T>()];
    }
}
fn main() {}
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