13 lines
280 B
Rust
13 lines
280 B
Rust
fn swap<T>(v: [mutable T], i: int, j: int) { v[i] <-> v[j]; }
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fn main() {
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let a: [mutable int] = [mutable 0, 1, 2, 3, 4, 5, 6];
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swap(a, 2, 4);
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assert (a[2] == 4);
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assert (a[4] == 2);
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let n = 42;
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n <-> a[0];
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assert (a[0] == 42);
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assert (n == 0);
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}
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