d21336ee0a
Being able to index into the bytes of a string encourages poor UTF-8 hygiene. To get a view of `&[u8]` from either a `String` or `&str` slice, use the `as_bytes()` method. Closes #12710. [breaking-change]
21 lines
738 B
Rust
21 lines
738 B
Rust
// Copyright 2012 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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#![allow(dead_assignment)]
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pub fn main() {
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let x : String = "hello".to_string();
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let _y : String = "there".to_string();
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let mut z = "thing".to_string();
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z = x;
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assert_eq!(z.as_bytes()[0], ('h' as u8));
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assert_eq!(z.as_bytes()[4], ('o' as u8));
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}
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