rust/tests/ui/unsized-locals/borrow-after-move.rs
2023-01-11 09:32:08 +00:00

44 lines
916 B
Rust

#![feature(unsized_locals, unsized_fn_params)]
//~^ WARN the feature `unsized_locals` is incomplete
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);
println!("{}", &x);
//~^ERROR borrow of moved value
println!("{}", &y);
//~^ERROR borrow of moved value
}
{
let x = "hello".to_owned().into_boxed_str();
let y = *x;
y.foo();
println!("{}", &x);
//~^ERROR borrow of moved value
println!("{}", &y);
//~^ERROR borrow of moved value
}
{
let x = "hello".to_owned().into_boxed_str();
x.foo();
println!("{}", &x);
//~^ERROR borrow of moved value
}
}