src/test/run-pass/trait-bounds-recursion.rs

   1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // pretty-expanded FIXME #23616
  12
  13 trait I { fn i(&self) -> Self; }
  14
  15 trait A<T:I> {
  16     fn id(x:T) -> T { x.i() }
  17 }
  18
  19 trait J<T> { fn j(&self) -> T; }
  20
  21 trait B<T:J<T>> {
  22     fn id(x:T) -> T { x.j() }
  23 }
  24
  25 trait C {
  26     fn id<T:J<T>>(x:T) -> T { x.j() }
  27 }
  28
  29 pub fn main() { }