src/test/ui/objects-owned-object-owned-method.rs

   1 // run-pass
   2 // Test invoked `&self` methods on owned objects where the values
   3 // closed over contain managed values. This implies that the boxes
   4 // will have headers that must be skipped over.
   5
   6 #![feature(box_syntax)]
   7
   8 trait FooTrait {
   9     fn foo(self: Box<Self>) -> usize;
  10 }
  11
  12 struct BarStruct {
  13     x: usize
  14 }
  15
  16 impl FooTrait for BarStruct {
  17     fn foo(self: Box<BarStruct>) -> usize {
  18         self.x
  19     }
  20 }
  21
  22 pub fn main() {
  23     let foo = box BarStruct{ x: 22 } as Box<dyn FooTrait>;
  24     assert_eq!(22, foo.foo());
  25 }