1639e51f6e
Until some backwards-compatibility hazards are fixed in #23121, these need to be unstable. [breaking-change]
45 lines
1.2 KiB
Rust
45 lines
1.2 KiB
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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#![feature(advanced_slice_patterns)]
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#![feature(slice_patterns)]
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fn a<'a>() -> &'a [isize] {
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let vec = vec!(1, 2, 3, 4);
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let vec: &[isize] = &vec; //~ ERROR does not live long enough
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let tail = match vec {
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[_, tail..] => tail,
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_ => panic!("a")
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};
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tail
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}
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fn b<'a>() -> &'a [isize] {
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let vec = vec!(1, 2, 3, 4);
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let vec: &[isize] = &vec; //~ ERROR does not live long enough
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let init = match vec {
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[init.., _] => init,
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_ => panic!("b")
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};
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init
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}
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fn c<'a>() -> &'a [isize] {
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let vec = vec!(1, 2, 3, 4);
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let vec: &[isize] = &vec; //~ ERROR does not live long enough
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let slice = match vec {
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[_, slice.., _] => slice,
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_ => panic!("c")
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};
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slice
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}
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fn main() {}
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