[WIP] Initial commit

vendor/github.com/cockroachdb/pebble/internal/intern/intern.go

@@ -0,0 +1,27 @@
+// Copyright 2020 The LevelDB-Go and Pebble Authors. All rights reserved. Use
+// of this source code is governed by a BSD-style license that can be found in
+// the LICENSE file.
+
+package intern
+
+import "sync"
+
+var pool = sync.Pool{
+	New: func() interface{} {
+		return make(map[string]string)
+	},
+}
+
+// Bytes returns b converted to a string, interned.
+func Bytes(b []byte) string {
+	m := pool.Get().(map[string]string)
+	c, ok := m[string(b)]
+	if ok {
+		pool.Put(m)
+		return c
+	}
+	s := string(b)
+	m[s] = s
+	pool.Put(m)
+	return s
+}