--- /dev/null
+// Copyright (c) 2012-2018 Ugorji Nwoke. All rights reserved.
+// Use of this source code is governed by a MIT license found in the LICENSE file.
+
+// +build !go1.4
+
+package codec
+
+// This codec package will only work for go1.4 and above.
+// This is for the following reasons:
+// - go 1.4 was released in 2014
+// - go runtime is written fully in go
+// - interface only holds pointers
+// - reflect.Value is stabilized as 3 words
+
+func init() {
+ panic("codec: go 1.3 and below are not supported")
+}