tests/ui/associated-types/object-method-numbering.rs

   1 // run-pass
   2 // Test for using an object with an associated type binding as the
   3 // instantiation for a generic type with a bound.
   4
   5
   6 trait SomeTrait {
   7     type SomeType;
   8
   9     fn get(&self) -> Self::SomeType;
  10 }
  11
  12 fn get_int<T:SomeTrait<SomeType=i32>+?Sized>(x: &T) -> i32 {
  13     x.get()
  14 }
  15
  16 impl SomeTrait for i32 {
  17     type SomeType = i32;
  18     fn get(&self) -> i32 {
  19         *self
  20     }
  21 }
  22
  23 fn main() {
  24     let x = 22;
  25     let x1: &dyn SomeTrait<SomeType=i32> = &x;
  26     let y = get_int(x1);
  27     assert_eq!(x, y);
  28 }