Adding BufferPool. Implementing BP in ReaderTo{Bytes,String}().

bufferpool/bufpool.go

@@ -0,0 +1,34 @@
+// Copyright © 2013-14 Steve Francia <spf@spf13.com>.
+//
+// Licensed under the Simple Public License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://opensource.org/licenses/Simple-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package bufferpool
+
+import (
+	"bytes"
+	"sync"
+)
+
+var bufferPool = &sync.Pool{
+	New: func() interface{} {
+		return &bytes.Buffer{}
+	},
+}
+
+func GetBuffer() (buf *bytes.Buffer) {
+	return bufferPool.Get().(*bytes.Buffer)
+}
+
+func PutBuffer(buf *bytes.Buffer) {
+	buf.Reset()
+	bufferPool.Put(buf)
+}