@@ -6,7 +6,7 @@ * Added Object#present? which is equivalent to !Object#blank? [DHH] -* Added Enumberable#many? to encapsulate collection.size > 1 [DHH] +* Added Enumberable#many? to encapsulate collection.size > 1 [DHH/Damian Janowski] * Add more standard Hash methods to ActiveSupport::OrderedHash [Steve Purcell] activesupport/CHANGELOG @@ -79,7 +79,9 @@ module Enumerable end # Returns true if the collection has more than 1 element. Functionally equivalent to collection.size > 1. - def many? + # Works with a block too ala any?, so people.many? { |p| p.age > 26 } # => returns true if more than 1 person is over 26. + def many?(&block) + size = block_given? ? select(&block).size : self.size size > 1 end end activesupport/lib/active_support/core_ext/enumerable.rb @@ -63,10 +63,15 @@ class EnumerableTests < Test::Unit::TestCase assert_equal({ 5 => payments[0], 15 => payments[1], 10 => payments[2] }, payments.index_by { |p| p.price }) end - - def test_several + + def test_many assert ![].many? assert ![ 1 ].many? assert [ 1, 2 ].many? + + assert ![].many? {|x| x > 1 } + assert ![ 2 ].many? {|x| x > 1 } + assert ![ 1, 2 ].many? {|x| x > 1 } + assert [ 1, 2, 2 ].many? {|x| x > 1 } end end activesupport/test/core_ext/enumerable_test.rb 00ba4c0cf32f9417d47bd891eba97f2e04609520 David Heinemeier Hansson david@loudthinking.com http://github.com/rails/rails/commit/161ab28b7c0bd28828b6d18613a9de09d47023c6 161ab28b7c0bd28828b6d18613a9de09d47023c6 2008-06-20T09:31:06-07:00 2008-06-20T09:31:06-07:00 Added block-handling to Enumerable#many? (Damian Janowski) [#452 state:resolved] e66809696a44b505b2f1e379f54adbbf67930300 David Heinemeier Hansson david@loudthinking.com