Froze rails gems

[depot.git] / vendor / rails / activesupport / lib / active_support / core_ext / hash / except.rb

diff --git a/vendor/rails/activesupport/lib/active_support/core_ext/hash/except.rb b/vendor/rails/activesupport/lib/active_support/core_ext/hash/except.rb
new file mode 100644 (file)
index 0000000..949976d
--- /dev/null
+++ b/vendor/rails/activesupport/lib/active_support/core_ext/hash/except.rb
@@ -0,0 +1,25 @@
+require 'set'
+
+module ActiveSupport #:nodoc:
+  module CoreExtensions #:nodoc:
+    module Hash #:nodoc:
+      # Return a hash that includes everything but the given keys. This is useful for
+      # limiting a set of parameters to everything but a few known toggles:
+      #
+      #   @person.update_attributes(params[:person].except(:admin))
+      module Except
+        # Returns a new hash without the given keys.
+        def except(*keys)
+          dup.except!(*keys)
+        end
+
+        # Replaces the hash without the given keys.
+        def except!(*keys)
+          keys.map! { |key| convert_key(key) } if respond_to?(:convert_key)
+          keys.each { |key| delete(key) }
+          self
+        end
+      end
+    end
+  end
+end