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rails--rails/activesupport/lib/active_support/string_inquirer.rb
Aleksey Magusev a1beec1de0 Add AS::StringInquirer#respond_to? method
Consistently with #method_missing
2012-08-06 16:59:12 +04:00

27 lines
655 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?
#
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