mirror of https://github.com/rust-lang/rust
29 lines
563 B
Rust
29 lines
563 B
Rust
// Various examples of structs whose fields are not well-formed.
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#![allow(dead_code)]
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trait Trait<'a, T> {
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type Out;
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}
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trait Trait1<'a, 'b, T> {
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type Out;
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}
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impl<'a, T> Trait<'a, T> for usize {
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type Out = &'a T; //~ ERROR `T` may not live long enough
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}
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struct RefOk<'a, T:'a> {
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field: &'a T
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}
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impl<'a, T> Trait<'a, T> for u32 {
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type Out = RefOk<'a, T>; //~ ERROR `T` may not live long enough
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}
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impl<'a, 'b, T> Trait1<'a, 'b, T> for u32 {
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type Out = &'a &'b T; //~ ERROR reference has a longer lifetime than the data
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}
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fn main() { }
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