mirror of https://github.com/rust-lang/rust
28 lines
579 B
Rust
28 lines
579 B
Rust
trait X { fn foo(&self) {} }
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fn p1<T>(v: T) -> Box<dyn X + 'static>
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where T : X
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{
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Box::new(v) //~ ERROR parameter type `T` may not live long enough
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}
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fn p2<T>(v: Box<T>) -> Box<dyn X + 'static>
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where Box<T> : X
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{
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Box::new(v) //~ ERROR parameter type `T` may not live long enough
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}
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fn p3<'a,T>(v: T) -> Box<dyn X + 'a>
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where T : X
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{
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Box::new(v) //~ ERROR parameter type `T` may not live long enough
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}
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fn p4<'a,T>(v: Box<T>) -> Box<dyn X + 'a>
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where Box<T> : X
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{
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Box::new(v) //~ ERROR parameter type `T` may not live long enough
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}
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fn main() {}
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