rust/src/test/ui/unsized-locals/double-move.rs

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#![feature(unsized_locals)]
pub trait Foo {
fn foo(self) -> String;
}
impl Foo for str {
fn foo(self) -> String {
self.to_owned()
}
}
fn drop_unsized<T: ?Sized>(_: T) {}
fn main() {
{
let x = "hello".to_owned().into_boxed_str();
let y = *x;
drop_unsized(y);
drop_unsized(y); //~ERROR use of moved value
}
{
let x = "hello".to_owned().into_boxed_str();
let _y = *x;
drop_unsized(x); //~ERROR use of moved value
}
{
let x = "hello".to_owned().into_boxed_str();
drop_unsized(x);
let _y = *x; //~ERROR use of moved value
}
{
let x = "hello".to_owned().into_boxed_str();
let y = *x;
y.foo();
y.foo(); //~ERROR use of moved value
}
{
let x = "hello".to_owned().into_boxed_str();
let _y = *x;
x.foo(); //~ERROR use of moved value
}
{
let x = "hello".to_owned().into_boxed_str();
x.foo();
let _y = *x; //~ERROR use of moved value
}
}