main()1*33cc4959SAlex Crichton fn main() {
2*33cc4959SAlex Crichton     let a = 3;
3*33cc4959SAlex Crichton     foo::bar(a);
4*33cc4959SAlex Crichton }
5*33cc4959SAlex Crichton 
6*33cc4959SAlex Crichton mod foo {
bar(x: u32) -> u327*33cc4959SAlex Crichton     pub fn bar(x: u32) -> u32 {
8*33cc4959SAlex Crichton         let mut sum = 0;
9*33cc4959SAlex Crichton         for i in 0..x {
10*33cc4959SAlex Crichton             sum += i;
11*33cc4959SAlex Crichton         }
12*33cc4959SAlex Crichton         sum
13*33cc4959SAlex Crichton     }
14*33cc4959SAlex Crichton }
15