From 4ef7bfb0166cb45428861ce9e001838ab9a2796f Mon Sep 17 00:00:00 2001 From: David Heinemeier Hansson Date: Sun, 6 Mar 2005 14:22:21 +0000 Subject: Added Object#blank? -- see http://redhanded.hobix.com/inspect/objectBlank.html #783 [_why the lucky stiff] git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@857 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- activesupport/lib/active_support/core_ext/object_and_class.rb | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'activesupport/lib') diff --git a/activesupport/lib/active_support/core_ext/object_and_class.rb b/activesupport/lib/active_support/core_ext/object_and_class.rb index 59a463ae29..eb54f79534 100644 --- a/activesupport/lib/active_support/core_ext/object_and_class.rb +++ b/activesupport/lib/active_support/core_ext/object_and_class.rb @@ -11,6 +11,16 @@ class Object #:nodoc: end subclasses end + + def blank? + if respond_to? :empty? + empty? + elsif respond_to? :zero? + zero? + else + !self + end + end end class Class #:nodoc: -- cgit v1.2.3