Merge pull request rails#6886 from nertzy/faster_stringify_and_symbol…

…ize_keys Speed up Hash#transform_keys using Hash#each_key
shemerey · Jun 28, 2012 · 3dc753f · 3dc753f
2 parents 692b64e + f6bedc9
commit 3dc753f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/activesupport/lib/active_support/core_ext/hash/keys.rb b/activesupport/lib/active_support/core_ext/hash/keys.rb
@@ -7,7 +7,7 @@ class Hash
   #  # => { "NAME" => "Rob", "AGE" => "28" }
   def transform_keys
     result = {}
-    keys.each do |key|
+    each_key do |key|
       result[yield(key)] = self[key]
     end
     result