lib/rbnacl/hash/sha256.rb in rbnacl-3.4.0 vs lib/rbnacl/hash/sha256.rb in rbnacl-4.0.0.pre

@@ -1,5 +1,7 @@
 # encoding: binary
+# frozen_string_literal: true
+
 module RbNaCl
   module Hash
     # Provides a binding for the SHA256 function in libsodium
     module SHA256
       extend Sodium