Building railways is kind of like visual programming. The Railway orientated programming comes to mind http://fsharpforfunandprofit.com/posts/recipe-part2/ htt

Building railways is kind of like visual programming. The Railway orientated programming comes to mind http://fsharpforfunandprofit.com/posts/recipe-part2/ http://fsharpforfunandprofit.com/posts/recipe-part2/