rust/src/test/compile-fail/feature-gate-advanced-slice-features.rs
Brian Anderson 1639e51f6e Feature gate *all* slice patterns. #23121
Until some backwards-compatibility hazards are fixed in #23121,
these need to be unstable.

[breaking-change]
2015-03-27 12:50:49 -07:00

21 lines
766 B
Rust

// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![feature(slice_patterns)]
fn main() {
let x = [ 1, 2, 3, 4, 5 ];
match x {
[ xs.., 4, 5 ] => {} //~ ERROR multiple-element slice matches
[ 1, xs.., 5 ] => {} //~ ERROR multiple-element slice matches
[ 1, 2, xs.. ] => {} // OK without feature gate
}
}