# File lib/eventmachine.rb, line 1090
1090:         def self::next_tick pr=nil, &block
1091:                 raise "no argument or block given" unless ((pr && pr.respond_to?(:call)) or block)
1092:                 (@next_tick_queue ||= []) << ( pr || block )
1093:                 signal_loopbreak if reactor_running?
1094: ??
1095:         end