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