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-rw-r--r--yants.nix3
1 files changed, 3 insertions, 0 deletions
diff --git a/yants.nix b/yants.nix
index a00d084392d3..a24792f8a5e4 100644
--- a/yants.nix
+++ b/yants.nix
@@ -1,3 +1,6 @@
+# Copyright 2019 Google LLC
+# SPDX-License-Identifier: Apache-2.0
+#
 # Provides a "type-system" for Nix that provides various primitive &
 # polymorphic types as well as the ability to define & check records.
 #