src/test/ui/associated-types/object-method-numbering.rs


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

// run-pass
// Test for using an object with an associated type binding as the
// instantiation for a generic type with a bound.


trait SomeTrait {
    type SomeType;

    fn get(&self) -> Self::SomeType;
}

fn get_int<T:SomeTrait<SomeType=i32>+?Sized>(x: &T) -> i32 {
    x.get()
}

impl SomeTrait for i32 {
    type SomeType = i32;
    fn get(&self) -> i32 {
        *self
    }
}

fn main() {
    let x = 22;
    let x1: &dyn SomeTrait<SomeType=i32> = &x;
    let y = get_int(x1);
    assert_eq!(x, y);
}