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rails--rails/activesupport/lib/active_support/string_inquirer.rb
Akira Matsuda b99014bf44 AS::StringInquirer#respond_to_missing? should fallback to super
in case String or any other ancestor class' respond_to_missing? was defined.
2017-01-15 03:38:06 +09:00

32 lines
833 B
Ruby

module ActiveSupport
# Wrapping a string in this class gives you a prettier way to test
# for equality. The value returned by <tt>Rails.env</tt> is wrapped
# in a StringInquirer object, so instead of calling this:
#
# Rails.env == 'production'
#
# you can call this:
#
# Rails.env.production?
#
# == Instantiating a new StringInquirer
#
# vehicle = ActiveSupport::StringInquirer.new('car')
# vehicle.car? # => true
# vehicle.bike? # => false
class StringInquirer < String
private
def respond_to_missing?(method_name, include_private = false)
(method_name[-1] == "?") || super
end
def method_missing(method_name, *arguments)
if method_name[-1] == "?"
self == method_name[0..-2]
else
super
end
end
end
end