Method push

src/reader.rs:48–58

(&mut self, b: u8)

        }
    }
    fn push(&mut self, b: u8) -> Result<()> {
        if self.i >= self.maxsize {
            return Err(io::Error::new(
                io::ErrorKind::InvalidData,
                "Unterminated varint",
            ));
        }
        self.buf[self.i] = b;
        self.i += 1;
        Ok(())
    }
    fn finished(&self) -> bool {
        self.i > 0 && (self.buf[self.i - 1] & MSB == 0)
    }