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// ICE assertion failed: matches!(self.def_kind(ct.def.did), DefKind :: AnonConst)
// issue: rust-lang/rust#108220
//@ check-pass
#![feature(associated_const_equality)]
#![allow(unused)]
use std::marker::PhantomData;
pub struct NoPin;
pub trait SetAlternate<const A: u8> {}
impl SetAlternate<0> for NoPin {}
pub trait PinA<PER> {
const A: u8;
}
impl<PER> PinA<PER> for NoPin {
const A: u8 = 0;
}
pub trait Pins<USART> {}
impl<USART, T, const TA: u8> Pins<USART> for T where
T: PinA<USART, A = { TA }> + SetAlternate<TA>
{
}
struct Serial<USART>(PhantomData<USART>);
impl<USART> Serial<USART> where NoPin: Pins<USART> {}
fn main() {}
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