matches?

# File actionpack/lib/action_dispatch/routing/mapper.rb, line 33
        def matches?(env)
          req = @request.new(env)

          @constraints.all? do |constraint|
            (constraint.respond_to?(:matches?) && constraint.matches?(req)) ||
              (constraint.respond_to?(:call) && constraint.call(*constraint_args(constraint, req)))
          end
        ensure
          req.reset_parameters
        end