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31 lines
701 B
Rust
31 lines
701 B
Rust
trait NoLifetime {
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fn get<'p, T : Test<'p>>(&self) -> T;
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//~^ NOTE lifetimes in impl do not match this method in trait
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}
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trait Test<'p> {
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fn new(buf: &'p mut [u8]) -> Self;
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}
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struct Foo<'a> {
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buf: &'a mut [u8],
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}
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impl<'a> Test<'a> for Foo<'a> {
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fn new(buf: &'a mut [u8]) -> Foo<'a> {
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Foo { buf: buf }
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}
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}
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impl<'a> NoLifetime for Foo<'a> {
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fn get<'p, T: Test<'a> + From<Foo<'a>>>(&self) -> T {
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//~^ ERROR E0195
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//~| NOTE lifetimes do not match method in trait
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return *self as T;
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//~^ ERROR non-primitive cast: `Foo<'a>` as `T`
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//~| NOTE an `as` expression can only be used to convert between primitive types
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}
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}
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fn main() {}
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