23 lines
746 B
Rust
23 lines
746 B
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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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() {} |