31a7e38759
`expr[]`, `expr[expr..]`, `expr[..expr]`,`expr[expr..expr]` Uses the Slice and SliceMut traits. Allows ... as well as .. in range patterns.
23 lines
855 B
Rust
23 lines
855 B
Rust
// Copyright 2014 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 mutability and slicing syntax.
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fn main() {
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let x: &[int] = &[1, 2, 3, 4, 5];
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// Immutable slices are not mutable.
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let y: &mut[_] = x[2..4]; //~ ERROR cannot borrow immutable dereference of `&`-pointer as mutabl
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let x: &mut [int] = &mut [1, 2, 3, 4, 5];
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// Can't borrow mutably twice
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let y = x[mut 1..2];
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let y = x[mut 4..5]; //~ERROR cannot borrow
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}
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