Function alloc::str::from_boxed_utf8_unchecked1.20.0[−][src]

pub unsafe fn from_boxed_utf8_unchecked(v: Box<[u8]>) -> Box<str>ⓘNotable traits for Box<I, A>
impl<I: Iterator + ?Sized, A: Allocator> Iterator for Box<I, A>    type Item = I::Item;impl<F: ?Sized + Future + Unpin, A: Allocator> Future for Box<F, A> where
    A: 'static,     type Output = F::Output;

This is supported on non-crate feature miri-test-libstd or test or doctest only.

Expand description

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

Examples

Basic usage:

let smile_utf8 = Box::new([226, 152, 186]);
let smile = unsafe { std::str::from_boxed_utf8_unchecked(smile_utf8) };

assert_eq!("☺", &*smile);

Run