Method decode

src/length.rs:198–219

(&mut self)

impl<'a> Decoder<'a, usize> for LengthDecoder<'a> {
    #[inline(always)]
    fn decode(&mut self) -> usize {
        let length = unsafe {
            let v = self.small.mut_slice().next_unchecked();

            if v < 255 {
                v as usize
            } else {
                #[cold]
                unsafe fn cold(large: &mut IntDecoder<'_, usize>) -> usize {
                    large.decode()
                }
                cold(&mut self.large)
            }
        };

        // Allows some checks in Vec::with_capacity to be removed if lto = true.
        // Safety: sum < HUGE_LEN is checked in populate so all elements have to be < HUGE_LEN.
        if length as u64 >= HUGE_LEN {
            unsafe { std::hint::unreachable_unchecked() }
        }
        length
    }
}

#[cfg(test)]