14 lines
249 B
Rust
14 lines
249 B
Rust
//@ run-pass
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fn each<'a,T,F:FnMut(&'a T)>(x: &'a [T], mut f: F) {
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for val in x {
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f(val)
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}
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}
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fn main() {
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let mut sum = 0;
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let elems = [ 1, 2, 3, 4, 5 ];
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each(&elems, |val: &usize| sum += *val);
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assert_eq!(sum, 15);
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}
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