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authorDamian Janowski <damian.janowski@gmail.com>2008-11-18 18:53:06 -0200
committerDavid Heinemeier Hansson <david@loudthinking.com>2008-11-19 10:48:41 +0100
commitf451f0e5cfa358e88ac9d03d813a9c84facd6648 (patch)
tree1b5f2831b934d92f21a8f5ab16ed536ee5e90dc8 /activesupport/lib/active_support/core_ext/enumerable.rb
parent917428bcce7bb22241bfc07daa5d0ddf9d107775 (diff)
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Added Enumerable#none? to check that none of the elements match the block [#1408 state:committed]
Signed-off-by: David Heinemeier Hansson <david@loudthinking.com>
Diffstat (limited to 'activesupport/lib/active_support/core_ext/enumerable.rb')
-rw-r--r--activesupport/lib/active_support/core_ext/enumerable.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/enumerable.rb b/activesupport/lib/active_support/core_ext/enumerable.rb
index 788f3a7e9e..12659d7008 100644
--- a/activesupport/lib/active_support/core_ext/enumerable.rb
+++ b/activesupport/lib/active_support/core_ext/enumerable.rb
@@ -104,4 +104,13 @@ module Enumerable
size = block_given? ? select(&block).size : self.size
size > 1
end
+
+ # Returns true if none of the elements match the given block.
+ #
+ # success = responses.none? {|r| r.status / 100 == 3 }
+ #
+ def none?(&block)
+ return true if !block_given? || blank?
+ !any?(&block)
+ end
end