rust/tests/ui/lifetimes/issue-54378.rs

27 lines
568 B
Rust

//@ check-pass
// Regression test for #54378.
#![feature(never_type)]
use std::marker::PhantomData;
pub trait Machine<'a, 'mir, 'tcx>: Sized {
type MemoryKinds: ::std::fmt::Debug + Copy + Eq;
const MUT_STATIC_KIND: Option<Self::MemoryKinds>;
}
pub struct CompileTimeEvaluator<'a, 'mir, 'tcx: 'a+'mir> {
pub _data: PhantomData<(&'a (), &'mir (), &'tcx ())>,
}
impl<'a, 'mir, 'tcx: 'a + 'mir> Machine<'a, 'mir, 'tcx>
for CompileTimeEvaluator<'a, 'mir, 'tcx>
{
type MemoryKinds = !;
const MUT_STATIC_KIND: Option<!> = None;
}
fn main() {}