Optimize HashWithIndifferentAccess.new when no args are provided

rails · Dec 1, 2020 · 0841cdf · 0841cdf
1 parent 835dba2
commit 0841cdf
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/activesupport/lib/active_support/hash_with_indifferent_access.rb b/activesupport/lib/active_support/hash_with_indifferent_access.rb
@@ -64,14 +64,16 @@ def nested_under_indifferent_access
       self
     end
 
-    def initialize(constructor = {})
+    def initialize(constructor = nil)
       if constructor.respond_to?(:to_hash)
         super()
         update(constructor)
 
         hash = constructor.is_a?(Hash) ? constructor : constructor.to_hash
         self.default = hash.default if hash.default
         self.default_proc = hash.default_proc if hash.default_proc
+      elsif constructor.nil?
+        super()
       else
         super(constructor)
       end