fix clippy

1 files changed, 35 insertions, 24 deletions

diff --git a/src/bytes_buf.rs b/src/bytes_buf.rs
index 931be82..3929a86 100644
--- a/src/bytes_buf.rs
+++ b/src/bytes_buf.rs
@@ -1,3 +1,4 @@
+use std::cmp::Ordering;
 use std::collections::VecDeque;
 
 use bytes::BytesMut;
@@ -44,7 +45,7 @@ impl BytesBuf {
 
 	/// Takes the whole content of the buffer and returns it as a single Bytes unit
 	pub fn take_all(&mut self) -> Bytes {
-		if self.buf.len() == 0 {
+		if self.buf.is_empty() {
 			Bytes::new()
 		} else if self.buf.len() == 1 {
 			self.buf_len = 0;
@@ -82,31 +83,35 @@ impl BytesBuf {
 	fn take_exact_ok(&mut self, len: usize) -> Bytes {
 		assert!(len <= self.buf_len);
 		let front = self.buf.pop_front().unwrap();
-		if front.len() > len {
-			self.buf.push_front(front.slice(len..));
-			self.buf_len -= len;
-			front.slice(..len)
-		} else if front.len() == len {
-			self.buf_len -= len;
-			front
-		} else {
-			let mut ret = BytesMut::with_capacity(len);
-			ret.extend_from_slice(&front[..]);
-			self.buf_len -= front.len();
-			while ret.len() < len {
-				let front = self.buf.pop_front().unwrap();
-				if front.len() > len - ret.len() {
-					let take = len - ret.len();
-					ret.extend_from_slice(&front[..take]);
-					self.buf.push_front(front.slice(take..));
-					self.buf_len -= take;
-					break;
-				} else {
-					ret.extend_from_slice(&front[..]);
-					self.buf_len -= front.len();
+		match front.len().cmp(&len) {
+			Ordering::Greater => {
+				self.buf.push_front(front.slice(len..));
+				self.buf_len -= len;
+				front.slice(..len)
+			}
+			Ordering::Equal => {
+				self.buf_len -= len;
+				front
+			}
+			Ordering::Less => {
+				let mut ret = BytesMut::with_capacity(len);
+				ret.extend_from_slice(&front[..]);
+				self.buf_len -= front.len();
+				while ret.len() < len {
+					let front = self.buf.pop_front().unwrap();
+					if front.len() > len - ret.len() {
+						let take = len - ret.len();
+						ret.extend_from_slice(&front[..take]);
+						self.buf.push_front(front.slice(take..));
+						self.buf_len -= take;
+						break;
+					} else {
+						ret.extend_from_slice(&front[..]);
+						self.buf_len -= front.len();
+					}
 				}
+				ret.freeze()
 			}
-			ret.freeze()
 		}
 	}
 
@@ -116,6 +121,12 @@ impl BytesBuf {
 	}
 }
 
+impl Default for BytesBuf {
+	fn default() -> Self {
+		Self::new()
+	}
+}
+
 impl From<Bytes> for BytesBuf {
 	fn from(b: Bytes) -> BytesBuf {
 		let mut ret = BytesBuf::new();