src/test/ui/autoref-autoderef/autoderef-method-twice.rs

   1 // run-pass
   2 #![allow(non_camel_case_types)]
   3 #![feature(box_syntax)]
   4
   5 trait double {
   6     fn double(self: Box<Self>) -> usize;
   7 }
   8
   9 impl double for usize {
  10     fn double(self: Box<usize>) -> usize { *self * 2 }
  11 }
  12
  13 pub fn main() {
  14     let x: Box<Box<_>> = box box 3;
  15     assert_eq!(x.double(), 6);
  16 }