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-rw-r--r--lib/raindrops.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/raindrops.rb b/lib/raindrops.rb
index dc61952..c071d57 100644
--- a/lib/raindrops.rb
+++ b/lib/raindrops.rb
@@ -1,4 +1,5 @@
 # -*- encoding: binary -*-
+# frozen_string_literal: false
 #
 # Each Raindrops object is a container that holds several counters.
 # It is internally a page-aligned, shared memory area that allows