add byte buf access method to VersionBox

crdt-enc/src/utils/version_bytes.rs

@@ -1,5 +1,5 @@
+use bytes::Buf;
 use serde::{Deserialize, Serialize};
-use serde_bytes;
 use std::{borrow::Cow, convert::TryFrom, fmt, io::IoSlice};
 use uuid::Uuid;
 
@@ -70,6 +70,14 @@ impl VersionBytes {
     pub fn buf(&self) -> VersionBytesBuf<'_> {
         VersionBytesBuf::new(self.0, &self.1)
     }
+
+    pub fn from_slice(slice: &[u8]) -> Result<VersionBytes, ParseError> {
+        TryFrom::try_from(slice)
+    }
+
+    pub fn to_vec(&self) -> Vec<u8> {
+        self.as_version_bytes_ref().to_vec()
+    }
 }
 
 impl From<VersionBytes> for Vec<u8> {
@@ -141,6 +149,22 @@ impl<'a> VersionBytesRef<'a> {
     pub fn buf(&self) -> VersionBytesBuf<'_> {
         VersionBytesBuf::new(self.0, &self.1)
     }
+
+    pub fn from_slice(slice: &'a [u8]) -> Result<VersionBytesRef<'a>, ParseError> {
+        TryFrom::try_from(slice)
+    }
+
+    pub fn to_vec(&self) -> Vec<u8> {
+        let mut buf = self.buf();
+        let mut vec = Vec::with_capacity(buf.remaining());
+        while buf.has_remaining() {
+            let chunk = buf.chunk();
+            vec.extend_from_slice(chunk);
+            let chunk_len = chunk.len();
+            buf.advance(chunk_len);
+        }
+        vec
+    }
 }
 
 impl<'a> AsRef<[u8]> for VersionBytesRef<'a> {
@@ -204,7 +228,7 @@ impl<'a> VersionBytesBuf<'a> {
     }
 }
 
-impl<'a> ::bytes::Buf for VersionBytesBuf<'a> {
+impl<'a> Buf for VersionBytesBuf<'a> {
     fn remaining(&self) -> usize {
         VERSION_LEN + self.content.len() - self.pos
     }