module Roda::RodaPlugins::CustomMatchers::ClassMethods

def custom_matcher(match_class, &block)
  custom_matchers = Hash[opts[:custom_matchers]]
  meth = custom_matchers[match_class] = custom_matchers[match_class] || :"_custom_matcher_#{match_class}"
  opts[:custom_matchers] = custom_matchers.freeze
  self::RodaRequest.send(:define_method, meth, &block)
  nil
end