mirror of https://github.com/rust-lang/rust
28 lines
629 B
Rust
28 lines
629 B
Rust
// Test for what happens when a type parameter `A` is closed over into
|
|
// an object. This should yield errors unless `A` (and the object)
|
|
// both have suitable bounds.
|
|
|
|
trait Foo { fn get(&self); }
|
|
|
|
impl<A> Foo for A {
|
|
fn get(&self) {
|
|
}
|
|
}
|
|
|
|
fn repeater3<'a,A:'a>(v: A) -> Box<dyn Foo + 'a> {
|
|
Box::new(v) as Box<dyn Foo+'a>
|
|
}
|
|
|
|
fn main() {
|
|
|
|
// Error results because the type of is inferred to be
|
|
// ~Repeat<&'blk isize> where blk is the lifetime of the block below.
|
|
|
|
let _ = {
|
|
let tmp0 = 3;
|
|
let tmp1 = &tmp0;
|
|
repeater3(tmp1)
|
|
};
|
|
//~^^^ ERROR `tmp0` does not live long enough
|
|
}
|