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
  13 fn want_slice(v: &[isize]) -> isize {
  14     let mut sum = 0;
  15     for i in v { sum += *i; }
  16     sum
  17 }
  18
  19 fn has_mut_vec(v: Vec<isize> ) -> isize {
  20     want_slice(&v)
  21 }
  22
  23 pub fn main() {
  24     assert_eq!(has_mut_vec(vec!(1, 2, 3)), 6);
  25 }