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Diffstat (limited to 'railties')
| -rw-r--r-- | railties/guides/source/active_support_overview.textile | 10 |
1 files changed, 10 insertions, 0 deletions
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 |