1 use alloc::collections::VecDeque; 2 3 use super::Buf; 4 5 impl Buf for VecDeque<u8> { remaining(&self) -> usize6 fn remaining(&self) -> usize { 7 self.len() 8 } 9 chunk(&self) -> &[u8]10 fn chunk(&self) -> &[u8] { 11 let (s1, s2) = self.as_slices(); 12 if s1.is_empty() { 13 s2 14 } else { 15 s1 16 } 17 } 18 advance(&mut self, cnt: usize)19 fn advance(&mut self, cnt: usize) { 20 self.drain(..cnt); 21 } 22 } 23