# File lib/rspec/matchers/include.rb, line 19
    def include(*expected)
      Matcher.new :include, *expected do |*_expected|
        match_for_should do |actual|
          perform_match(:all?, :all?, actual, _expected)
        end

        match_for_should_not do |actual|
          perform_match(:none?, :any?, actual, _expected)
        end

        def perform_match(predicate, hash_predicate, actual, _expected)
          _expected.send(predicate) do |expected|
            if comparing_hash_values?(actual, expected)
              expected.send(hash_predicate) {|k,v| actual[k] == v}
            elsif comparing_hash_keys?(actual, expected)
              actual.has_key?(expected)
            else
              actual.include?(expected)
            end
          end
        end

        def comparing_hash_keys?(actual, expected) # :nodoc:
          actual.is_a?(Hash) && !expected.is_a?(Hash)
        end

        def comparing_hash_values?(actual, expected) # :nodoc:
          actual.is_a?(Hash) && expected.is_a?(Hash)
        end
      end
    end