13 lines
317 B
Rust
13 lines
317 B
Rust
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fn each<T>(x: &[T], op: fn(elem: &T) -> bool) {
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uint::range(0, x.len(), |i| op(&x[i]));
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}
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fn main() {
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let x = ~[{mut a: 0}];
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for each(x) |y| {
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let z = &y.a; //~ ERROR illegal borrow unless pure
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x[0].a = 10; //~ NOTE impure due to assigning to mutable field
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log(error, z);
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}
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}
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