src/test/run-pass/issue-16596.rs

   1 // Copyright 2014 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
  12 trait MatrixRow { fn dummy(&self) { }}
  13
  14 struct Mat;
  15
  16 impl<'a> MatrixRow for &'a Mat {}
  17
  18 struct Rows<M: MatrixRow> {
  19     mat: M,
  20 }
  21
  22 impl<'a> Iterator for Rows<&'a Mat> {
  23     type Item = ();
  24
  25     fn next(&mut self) -> Option<()> {
  26         unimplemented!()
  27     }
  28 }
  29
  30 fn main() {}