From b1cdd97ce53821729e4fa21977eb25bffe263a4e Mon Sep 17 00:00:00 2001
From: Xavier Noria <fxn@hashref.com>
Date: Tue, 22 Sep 2009 09:50:31 +0200
Subject: AS guide: documents Enumerable#none?

---
 railties/guides/source/active_support_overview.textile | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'railties/guides')

diff --git a/railties/guides/source/active_support_overview.textile b/railties/guides/source/active_support_overview.textile
index fde50b08ec..d8f6b31a65 100644
--- a/railties/guides/source/active_support_overview.textile
+++ b/railties/guides/source/active_support_overview.textile
@@ -900,6 +900,16 @@ If an optional block is given +many?+ only takes into account those elements tha
 @see_more = videos.many? {|video| video.category == params[:category]}
 </ruby>
 
+h4. +none?+
+
+The method +none?+ is the negation of +any?+. It yields elements to a block and returns true if none of them matches:
+
+<ruby>
+success = responses.none? {|r| r.status / 100 == 5}
+</ruby>
+
+Ruby 1.8.7 and later already have +none?+, Active Support defines it for previous versions.
+
 h3. Extensions to +Array+
 
 h4. Accessing
-- 
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