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#![feature(unsized_fn_params)]
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; //~ERROR the size for values of type `str` cannot be known at compilation time [E0277]
drop_unsized(y);
println!("{}", &x);
println!("{}", &y);
}
{
let x = "hello".to_owned().into_boxed_str();
let y = *x; //~ERROR the size for values of type `str` cannot be known at compilation time [E0277]
y.foo();
println!("{}", &x);
println!("{}", &y);
}
{
let x = "hello".to_owned().into_boxed_str();
x.foo();
println!("{}", &x);
}
}
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