1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
trait NoLifetime {
fn get<'p, T : Test<'p>>(&self) -> T;
//~^ NOTE lifetimes in impl do not match this method in trait
}
trait Test<'p> {
fn new(buf: &'p mut [u8]) -> Self;
}
struct Foo<'a> {
buf: &'a mut [u8],
}
impl<'a> Test<'a> for Foo<'a> {
fn new(buf: &'a mut [u8]) -> Foo<'a> {
Foo { buf: buf }
}
}
impl<'a> NoLifetime for Foo<'a> {
fn get<'p, T: Test<'a> + From<Foo<'a>>>(&self) -> T {
//~^ ERROR E0195
//~| NOTE lifetimes do not match method in trait
return *self as T;
//~^ ERROR non-primitive cast: `Foo<'a>` as `T`
//~| NOTE an `as` expression can only be used to convert between primitive types
}
}
fn main() {}
|
