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-rw-r--r--lib/json/pure/generator.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/json/pure/generator.rb b/lib/json/pure/generator.rb
index 98bc369..ccb6fe4 100644
--- a/lib/json/pure/generator.rb
+++ b/lib/json/pure/generator.rb
@@ -1,3 +1,4 @@
+#frozen_string_literal: false
module JSON
MAP = {
"\x0" => '\u0000',