ec7c800d2f
This commit removes pretty-expanded from all tests that wind up calling panic! one way or another now that its internals are unstable.
38 lines
1.1 KiB
Rust
38 lines
1.1 KiB
Rust
// Copyright 2012-2013 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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// Test that a `&mut` inside of an `&` is freezable.
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struct MutSlice<'a, T:'a> {
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data: &'a mut [T]
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}
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fn get<'a, T>(ms: &'a MutSlice<'a, T>, index: usize) -> &'a T {
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&ms.data[index]
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}
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pub fn main() {
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let mut data = [1, 2, 3];
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{
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let slice = MutSlice { data: &mut data };
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slice.data[0] += 4;
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let index0 = get(&slice, 0);
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let index1 = get(&slice, 1);
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let index2 = get(&slice, 2);
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assert_eq!(*index0, 5);
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assert_eq!(*index1, 2);
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assert_eq!(*index2, 3);
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}
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assert_eq!(data[0], 5);
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assert_eq!(data[1], 2);
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assert_eq!(data[2], 3);
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}
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