summaryrefslogtreecommitdiffstats
path: root/src/test/ui/unsized-locals/borrow-after-move.rs
blob: ad73b720fa39d1b4790270a06ca785d3c843fc68 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
#![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
    }
}