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16 lines
333 B
Rust
16 lines
333 B
Rust
// run-pass
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fn iter_vec<T, F>(v: Vec<T>, mut f: F) where F: FnMut(&T) { for x in &v { f(x); } }
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pub fn main() {
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let v = vec![1, 2, 3, 4, 5];
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let mut sum = 0;
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iter_vec(v.clone(), |i| {
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iter_vec(v.clone(), |j| {
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sum += *i * *j;
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});
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});
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println!("{}", sum);
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assert_eq!(sum, 225);
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}
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