add license headers

1 files changed, 13 insertions, 0 deletions

diff --git a/src/tag.rs b/src/tag.rs
index 7292493..ba7b9bd 100644
--- a/src/tag.rs
+++ b/src/tag.rs
@@ -1,3 +1,16 @@
+// Copyright 2017 int08h LLC
+//
+// Licensed under the Apache 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://www.apache.org/licenses/LICENSE-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.
 
 /// An unsigned 32-bit value (key) that maps to a byte-string (value).
 #[derive(Debug, PartialEq, PartialOrd)]