Method value_at

rust/fory-core/src/buffer.rs:573–582

(&self, index: usize)

    #[inline(always)]
    fn value_at(&self, index: usize) -> Result<u8, Error> {
        match self.bf.get(index) {
            None => Err(Error::buffer_out_of_bound(
                index,
                self.bf.len(),
                self.bf.len(),
            )),
            Some(v) => Ok(*v),
        }
    }

    #[inline(always)]
    pub(crate) fn check_bound(&self, n: usize) -> Result<(), Error> {