diff options
Diffstat (limited to 'src/test/ui/run-pass/array-slice-vec/vec-tail-matching.rs')
| -rw-r--r-- | src/test/ui/run-pass/array-slice-vec/vec-tail-matching.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/array-slice-vec/vec-tail-matching.rs b/src/test/ui/run-pass/array-slice-vec/vec-tail-matching.rs new file mode 100644 index 00000000000..4f31405ead5 --- /dev/null +++ b/src/test/ui/run-pass/array-slice-vec/vec-tail-matching.rs @@ -0,0 +1,44 @@ +// 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)] + +struct Foo { + string: &'static str +} + +pub fn main() { + let x = [ + Foo { string: "foo" }, + Foo { string: "bar" }, + Foo { string: "baz" } + ]; + match x { + [ref first, ref tail..] => { + assert_eq!(first.string, "foo"); + assert_eq!(tail.len(), 2); + assert_eq!(tail[0].string, "bar"); + assert_eq!(tail[1].string, "baz"); + + match *(tail as &[_]) { + [Foo { .. }, _, Foo { .. }, ref _tail..] => { + unreachable!(); + } + [Foo { string: ref a }, Foo { string: ref b }] => { + assert_eq!("bar", &a[0..a.len()]); + assert_eq!("baz", &b[0..b.len()]); + } + _ => { + unreachable!(); + } + } + } + } +} |
