fn copy_to_bytes()

in netbench/src/multiplex/buffer.rs [103:129]

• 20 lines of code
• 4 McCabe index (conditional complexity)

    fn copy_to_bytes(&mut self, len: usize) -> Bytes {
        while let Some(mut front) = self.head.pop_front() {
            if front.is_empty() {
                continue;
            }

            self.len -= len;

            if front.len() == len {
                self.check_consistency();
                return front.freeze();
            }

            let out = front.split_to(len);
            self.head.push_front(front);

            self.check_consistency();
            return out.freeze();
        }

        let out = self.tail.split_to(len).freeze();

        self.len -= len;
        self.check_consistency();

        out
    }