eb678ff87f
instead of prefix `..`.
This breaks code that looked like:
match foo {
[ first, ..middle, last ] => { ... }
}
Change this code to:
match foo {
[ first, middle.., last ] => { ... }
}
RFC #55.
Closes #16967.
[breaking-change]
24 lines
946 B
Rust
24 lines
946 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 match_vecs<'a, T>(l1: &'a [T], l2: &'a [T]) {
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match (l1, l2) {
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([], []) => println!("both empty"),
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([], [hd, tl..]) | ([hd, tl..], []) => println!("one empty"),
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//~^ ERROR: cannot move out of dereference
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//~^^ ERROR: cannot move out of dereference
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([hd1, tl1..], [hd2, tl2..]) => println!("both nonempty"),
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//~^ ERROR: cannot move out of dereference
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//~^^ ERROR: cannot move out of dereference
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}
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}
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fn main() {}
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