Michael Goulet ac56007ea7 Revert "Rollup merge of #125572 - mu001999-contrib:dead/enhance, r=pnkfelix"
This reverts commit 13314df21b0bb0cdd02c6760581d1b9f1052fa7e, reversing
changes made to 6e534c73c35f569492ed5fb5f349075d58ed8b7e.
2024-08-03 07:57:31 -04:00

32 lines
557 B
Rust

//@ run-pass
#![feature(generic_const_exprs)]
#![allow(incomplete_features)]
pub trait BlockCipher {
const BLOCK_SIZE: usize;
}
struct FooCipher;
impl BlockCipher for FooCipher {
const BLOCK_SIZE: usize = 64;
}
struct BarCipher;
impl BlockCipher for BarCipher {
const BLOCK_SIZE: usize = 32;
}
pub struct Block<C>(#[allow(dead_code)] C);
pub fn test<C: BlockCipher, const M: usize>()
where
[u8; M - C::BLOCK_SIZE]: Sized,
{
let _ = [0; M - C::BLOCK_SIZE];
}
fn main() {
test::<FooCipher, 128>();
test::<BarCipher, 64>();
}