src/test/run-pass/borrowck-mut-vec-as-imm-slice.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
  12 fn want_slice(v: &[int]) -> int {
  13     let mut sum = 0;
  14     for i in v { sum += *i; }
  15     sum
  16 }
  17
  18 fn has_mut_vec(v: Vec<int> ) -> int {
  19     want_slice(&v)
  20 }
  21
  22 pub fn main() {
  23     assert_eq!(has_mut_vec(vec!(1, 2, 3)), 6);
  24 }