20 lines
391 B
Rust
20 lines
391 B
Rust
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// #125634
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struct Thing;
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// Invariant in 'a, Covariant in 'b
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struct TwoThings<'a, 'b>(*mut &'a (), &'b mut ());
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impl Thing {
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fn enter_scope<'a>(self, _scope: impl for<'b> FnOnce(TwoThings<'a, 'b>)) {}
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}
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fn foo() {
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Thing.enter_scope(|ctx| {
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SameLifetime(ctx); //~ ERROR lifetime may not live long enough
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});
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}
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struct SameLifetime<'a>(TwoThings<'a, 'a>);
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fn main() {}
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