No need to build a Set since we're iterating instead of checking for …

…inclusion now
rails · Jun 8, 2008 · 67e4f16 · 67e4f16
1 parent 6367973
commit 67e4f16
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/activesupport/lib/active_support/core_ext/hash/slice.rb b/activesupport/lib/active_support/core_ext/hash/slice.rb
@@ -1,5 +1,3 @@
-require 'set'
-
 module ActiveSupport #:nodoc:
   module CoreExtensions #:nodoc:
     module Hash #:nodoc:
@@ -14,9 +12,9 @@ module Hash #:nodoc:
       module Slice
         # Returns a new hash with only the given keys.
         def slice(*keys)
-          allowed = Set.new(respond_to?(:convert_key) ? keys.map { |key| convert_key(key) } : keys)
+          keys = keys.map! { |key| convert_key(key) } if respond_to?(:convert_key)
           hash = {}
-          allowed.each { |k| hash[k] = self[k] if has_key?(k) }
+          keys.each { |k| hash[k] = self[k] if has_key?(k) }
           hash
         end