mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-30 10:45:18 +00:00
24 lines
485 B
Rust
24 lines
485 B
Rust
fn main() {
|
|
{
|
|
let mut _thing1 = D(Box::new("thing1"));
|
|
// D("other").next(&_thing1).end()
|
|
D(&_thing1).end() //~ ERROR does not live long enough
|
|
}
|
|
|
|
;
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct D<T: std::fmt::Debug>(T);
|
|
|
|
impl<T: std::fmt::Debug> Drop for D<T> {
|
|
fn drop(&mut self) {
|
|
println!("dropping {:?})", self);
|
|
}
|
|
}
|
|
|
|
impl<T: std::fmt::Debug> D<T> {
|
|
fn next<U: std::fmt::Debug>(&self, _other: U) -> D<U> { D(_other) }
|
|
fn end(&self) { }
|
|
}
|