Added Object#present? which is equivalent to !Object#blank? [DHH]

3 files changed, 12 insertions, 0 deletions

diff --git a/activesupport/CHANGELOG b/activesupport/CHANGELOG
index b72f638d82..d0f13afdaa 100644
--- a/activesupport/CHANGELOG
+++ b/activesupport/CHANGELOG
@@ -1,5 +1,7 @@
 *Edge*
 
+* Added Object#present? which is equivalent to !Object#blank? [DHH]
+
 * Added Enumberable#several? to encapsulate collection.size > 1 [DHH]
 
 * Add more standard Hash methods to ActiveSupport::OrderedHash [Steve Purcell]
diff --git a/activesupport/lib/active_support/core_ext/blank.rb b/activesupport/lib/active_support/core_ext/blank.rb
index dfe33162e8..4f8dc4e281 100644
--- a/activesupport/lib/active_support/core_ext/blank.rb
+++ b/activesupport/lib/active_support/core_ext/blank.rb
@@ -12,6 +12,11 @@ class Object
   def blank?
     respond_to?(:empty?) ? empty? : !self
   end
+    
+  # An object is present if it's not blank.
+  def present?
+    !blank?
+  end
 end
 
 class NilClass #:nodoc:
diff --git a/activesupport/test/core_ext/blank_test.rb b/activesupport/test/core_ext/blank_test.rb
index 061d940383..00fea74639 100644
--- a/activesupport/test/core_ext/blank_test.rb
+++ b/activesupport/test/core_ext/blank_test.rb
@@ -16,4 +16,9 @@ class BlankTest < Test::Unit::TestCase
     BLANK.each { |v| assert v.blank?, "#{v.inspect} should be blank" }
     NOT.each   { |v| assert !v.blank?, "#{v.inspect} should not be blank" }
   end
+
+  def test_present
+    BLANK.each { |v| assert !v.present?, "#{v.inspect} should not be present" }
+    NOT.each   { |v| assert v.present?, "#{v.inspect} should be present" }
+  end
 end