rust/src/test/run-pass/check-static-slice.rs
Nick Cameron 2e86929a4a Allow use of [_ ; n] syntax for fixed length and repeating arrays.
This does NOT break any existing programs because the `[_, ..n]` syntax is also supported.
2014-12-20 15:23:29 +13:00

41 lines
1.2 KiB
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.
// Check that the various ways of getting to a reference to a vec (both sized
// and unsized) work properly.
const aa: [int; 3] = [1, 2, 3];
const ab: &'static [int; 3] = &aa;
const ac: &'static [int] = ab;
const ad: &'static [int] = &aa;
const ae: &'static [int; 3] = &[1, 2, 3];
const af: &'static [int] = &[1, 2, 3];
static ca: int = aa[0];
static cb: int = ab[1];
static cc: int = ac[2];
static cd: int = ad[0];
static ce: int = ae[1];
static cf: int = af[2];
fn main () {
let b: &[int] = &[1, 2, 3];
assert!(ac == b);
assert!(ad == b);
assert!(af == b);
assert!(ca == 1);
assert!(cb == 2);
assert!(cc == 3);
assert!(cd == 1);
assert!(ce == 2);
assert!(cf == 3);
}