lib/rbnacl/hash/blake2b.rb in rbnacl-3.4.0 vs lib/rbnacl/hash/blake2b.rb in rbnacl-4.0.0.pre

@@ -1,5 +1,7 @@
 # encoding: binary
+# frozen_string_literal: true
+
 module RbNaCl
   module Hash
     # The Blake2b hash function
     #
     # Blake2b is based on Blake, a SHA3 finalist which was snubbed in favor of