aboutsummaryrefslogtreecommitdiffstats
path: root/activesupport/lib/active_support/string_inquirer.rb
blob: 45271c91631b5acbe638f339c6e3095d48583edd (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
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?
  class StringInquirer < String
    private

      def respond_to_missing?(method_name, include_private = false)
        method_name[-1] == '?'
      end

      def method_missing(method_name, *arguments)
        if method_name[-1] == '?'
          self == method_name[0..-2]
        else
          super
        end
      end
  end
end