/src/test/run-pass/maybe-mutable.rs

 1
 2
 3
 4// -*- rust -*-
 5fn len(v: ~[const int]) -> uint {
 6    let mut i = 0u;
 7    while i < vec::len(v) { i += 1u; }
 8    return i;
 9}
10
11fn main() {
12    let v0 = ~[1, 2, 3, 4, 5];
13    log(debug, len(v0));
14    let v1 = ~[mut 1, 2, 3, 4, 5];
15    log(debug, len(v1));
16}