13 lines
279 B
Rust
13 lines
279 B
Rust
fn concat<T: Copy>(v: ~[const ~[const T]]) -> ~[T] {
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let mut r = ~[];
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// Earlier versions of our type checker accepted this:
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vec::each(v, |inner: &~[T]| {
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//~^ ERROR values differ in mutability
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r += *inner; true
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});
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return r;
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}
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fn main() {} |