File: where-clause-method-substituion.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (22 lines) | stat: -rw-r--r-- 380 bytes parent folder | download | duplicates (17) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
trait Foo<T> {
    fn dummy(&self, t: T) { }
}

trait Bar<A> {
    fn method<B>(&self) where A: Foo<B>;
}

struct S;
struct X;

// Remove this impl causing the below resolution to fail // impl Foo<S> for X {}

impl Bar<X> for isize {
    fn method<U>(&self) where X: Foo<U> {
    }
}

fn main() {
    1.method::<X>();
    //~^ ERROR the trait bound `X: Foo<X>` is not satisfied
}