Halting a pipe

[Fl4m3Ph03n1x]

A discussion currently taking place that may also interest you (and mentions a design pattern that does exactly what you want) can be found here:

Should one use pipes or with?

Background Recently I have rediscovered the with statement to program in a more rail oriented way, and I must say I am loving it thus far. However in work, my colleagues prefer the usual pipeline oriented approach to railway oriented programming. My objective here is to discuss the pros and cons of which one and to put my opinions on the table. I am looking forward to reading your opinions and styles on this as well so I can build a better argument to embrace with or simply part ways with it. …