2e86929a4a
This does NOT break any existing programs because the `[_, ..n]` syntax is also supported.
20 lines
681 B
Rust
20 lines
681 B
Rust
// Copyright 2014 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 main() {
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let x = [1,2];
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let y = match x {
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[] => None,
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//~^ ERROR types: expected `[_; 2]`, found `[_; 0]`
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// (expected array of 2 elements, found array of 0 elements)
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[a,_] => Some(a)
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};
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}
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