mirror of https://github.com/rust-lang/rust
24 lines
507 B
Rust
24 lines
507 B
Rust
// Test various uses of structs with distinct variances to make sure
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// they permit lifetimes to be approximated as expected.
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struct SomeStruct<T>(*mut T);
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fn foo<'min,'max>(v: SomeStruct<&'max ()>)
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-> SomeStruct<&'min ()>
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where 'max : 'min
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{
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v
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//~^ ERROR lifetime may not live long enough
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}
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fn bar<'min,'max>(v: SomeStruct<&'min ()>)
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-> SomeStruct<&'max ()>
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where 'max : 'min
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{
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v
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//~^ ERROR lifetime may not live long enough
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}
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fn main() { }
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