src/test/run-pass/issue-36474.rs

   1 // Copyright 2016 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 fn main() {
  12     remove_axis(&3, 0);
  13 }
  14
  15 trait Dimension {
  16     fn slice(&self) -> &[usize];
  17 }
  18
  19 impl Dimension for () {
  20     fn slice(&self) -> &[usize] { &[] }
  21 }
  22
  23 impl Dimension for usize {
  24     fn slice(&self) -> &[usize] {
  25         unsafe {
  26             ::std::slice::from_raw_parts(self, 1)
  27         }
  28     }
  29 }
  30
  31 fn remove_axis(value: &usize, axis: usize) -> () {
  32     let tup = ();
  33     let mut it = tup.slice().iter();
  34     for (i, _) in value.slice().iter().enumerate() {
  35         if i == axis {
  36             continue;
  37         }
  38         it.next();
  39     }
  40 }