diff options
Diffstat (limited to 'activesupport/lib/active_support')
4 files changed, 23 insertions, 5 deletions
diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb index 08520b1077..9cf09ab266 100644 --- a/activesupport/lib/active_support/callbacks.rb +++ b/activesupport/lib/active_support/callbacks.rb @@ -663,10 +663,12 @@ module ActiveSupport # # ===== Options # - # * <tt>:if</tt> - A symbol naming an instance method or a proc; the - # callback will be called only when it returns a +true+ value. - # * <tt>:unless</tt> - A symbol naming an instance method or a proc; the - # callback will be called only when it returns a +false+ value. + # * <tt>:if</tt> - A symbol, a string or an array of symbols and strings, + # each naming an instance method or a proc; the callback will be called + # only when they all return a true value. + # * <tt>:unless</tt> - A symbol, a string or an array of symbols and + # strings, each naming an instance method or a proc; the callback will + # be called only when they all return a false value. # * <tt>:prepend</tt> - If +true+, the callback will be prepended to the # existing chain rather than appended. def set_callback(name, *filter_list, &block) diff --git a/activesupport/lib/active_support/core_ext/array.rb b/activesupport/lib/active_support/core_ext/array.rb index 7d0c1e4c8d..7551551bd7 100644 --- a/activesupport/lib/active_support/core_ext/array.rb +++ b/activesupport/lib/active_support/core_ext/array.rb @@ -4,3 +4,4 @@ require 'active_support/core_ext/array/conversions' require 'active_support/core_ext/array/extract_options' require 'active_support/core_ext/array/grouping' require 'active_support/core_ext/array/prepend_and_append' +require 'active_support/core_ext/array/inquiry' diff --git a/activesupport/lib/active_support/core_ext/array/inquiry.rb b/activesupport/lib/active_support/core_ext/array/inquiry.rb new file mode 100644 index 0000000000..de623c466c --- /dev/null +++ b/activesupport/lib/active_support/core_ext/array/inquiry.rb @@ -0,0 +1,15 @@ +class Array + # Wraps the array in an +ArrayInquirer+ object, which gives a friendlier way + # to check its string-like contents. + # + # pets = [:cat, :dog].inquiry + # + # pets.cat? # => true + # pets.ferret? # => false + # + # pets.any?(:cat, :ferret) # => true + # pets.any?(:ferret, :alligator) # => false + def inquiry + ActiveSupport::ArrayInquirer.new(self) + end +end diff --git a/activesupport/lib/active_support/core_ext/module/aliasing.rb b/activesupport/lib/active_support/core_ext/module/aliasing.rb index 25e138264e..a4c40b25ff 100644 --- a/activesupport/lib/active_support/core_ext/module/aliasing.rb +++ b/activesupport/lib/active_support/core_ext/module/aliasing.rb @@ -45,7 +45,7 @@ class Module end # Allows you to make aliases for attributes, which includes - # getter, setter, and query methods. + # getter, setter, and a predicate. # # class Content < ActiveRecord::Base # # has a title attribute |