rust/src/test/compile-fail/dst-bad-coerce4.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

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758 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.
// Attempt to coerce from unsized to sized.
struct Fat<Sized? T> {
ptr: T
}
pub fn main() {
// With a vec of ints.
let f1: &Fat<[int]> = &Fat { ptr: [1, 2, 3] };
let f2: &Fat<[int; 3]> = f1;
//~^ ERROR mismatched types: expected `&Fat<[int; 3]>`, found `&Fat<[int]>`
}