1 files changed, 3 insertions, 0 deletions
diff --git a/src/lib.rs b/src/lib.rs
index 908489d..54ef384 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,6 @@
+// Copyleft 2021-2021 Whirlsplash
+// SPDX-License-Identifier: GPL-3.0-only
+
 #![feature(type_ascription, hash_set_entry, type_name_of_val)]
 #![warn(rust_2018_idioms)]