src/test/run-pass/generic-recursive-tag.rs

   1 // Copyright 2012 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 #![allow(unknown_features)]
  12 #![feature(box_syntax)]
  13
  14 enum list<T> { cons(Box<T>, Box<list<T>>), nil, }
  15
  16 pub fn main() {
  17     let _a: list<isize> =
  18         list::cons::<isize>(box 10,
  19         box list::cons::<isize>(box 12,
  20         box list::cons::<isize>(box 13,
  21         box list::nil::<isize>)));
  22 }