Function std::str::from_utf8_unchecked_mut

pub unsafe fn from_utf8_unchecked_mut(v: &mut [u8]) -> &mut str

Converts a slice of bytes to a string slice without checking that the string contains valid UTF-8; mutable version.

See the immutable version, from_utf8_unchecked() for more information.

Examples

Basic usage:

use std::str;

let mut heart = vec![240, 159, 146, 150];
let heart = unsafe { str::from_utf8_unchecked_mut(&mut heart) };

assert_eq!("💖", heart);