rgop - Ruby Graph Oriented Programming (recompile.net)

右の図を表現したいときは、次のように書ける。まだそれだけ。 require 'rgop' # define nodes start_state = RGOP::Node.new(:start) { |exec| exec.event(:continue) } amount = RGOP::Node.new(:amount) { |exec| if(exec.value[:amount] > 100) exec.event(:yes) else exec.event(:no) end } check = RGOP::Node.new(:check) deliver = RGOP::Node.new(:deliver) end_state = RGOP::Node.new(:end) # define transitions start_state.add_transition(:contin