Method as_mut_slice

crates/wtf8/src/lib.rs:383–388

(&mut self)

    #[inline]
    pub fn as_mut_slice(&mut self) -> &mut Wtf8 {
        // Safety: `Wtf8` doesn't expose any way to mutate the bytes that would
        // cause them to change from well-formed UTF-8 to ill-formed UTF-8,
        // which would break the assumptions of the `is_known_utf8` field.
        unsafe { Wtf8::from_mut_bytes_unchecked(&mut self.bytes) }
    }

    /// Reserves capacity for at least `additional` more bytes to be inserted
    /// in the given `Wtf8Buf`.