src/test/run-pass/linear-for-loop.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 // no-pretty-expanded FIXME #15189
  12
  13 pub fn main() {
  14     let x = vec!(1, 2, 3);
  15     let mut y = 0;
  16     for i in &x { println!("{}", *i); y += *i; }
  17     println!("{}", y);
  18     assert_eq!(y, 6);
  19     let s = "hello there".to_string();
  20     let mut i: isize = 0;
  21     for c in s.bytes() {
  22         if i == 0 { assert_eq!(c, 'h' as u8); }
  23         if i == 1 { assert_eq!(c, 'e' as u8); }
  24         if i == 2 { assert_eq!(c, 'l' as u8); }
  25         if i == 3 { assert_eq!(c, 'l' as u8); }
  26         if i == 4 { assert_eq!(c, 'o' as u8); }
  27         // ...
  28
  29         i += 1;
  30         println!("{}", i);
  31         println!("{}", c);
  32     }
  33     assert_eq!(i, 11);
  34 }