File: associated-type-cycle.rs

package info (click to toggle)
rustc 1.87.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 925,564 kB
  • sloc: xml: 158,127; python: 36,039; javascript: 19,761; sh: 19,737; cpp: 18,981; ansic: 13,133; asm: 4,376; makefile: 710; perl: 29; lisp: 28; ruby: 19; sql: 11
file content (14 lines) | stat: -rw-r--r-- 290 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
trait Foo {
    type Bar;
    fn foo(self) -> Self::Bar;
}

impl Foo for Box<dyn Foo> {
    //~^ ERROR: the value of the associated type `Bar` in `Foo` must be specified
    type Bar = <Self as Foo>::Bar;
    fn foo(self) -> <Self as Foo>::Bar {
        (*self).foo()
    }
}

fn main() {}