railroad object orientd - SERP Analysis

https://fsharpforfunandprofit.com/rop/

https://blog.logrocket.com/what-is-railway-oriented-programming/

https://www.reddit.com/r/programming/comments/15uu780/railway_oriented_programming/

https://medium.com/polarizertech/railway-oriented-programming-dd74dbf0dfae

https://fsharpforfunandprofit.com/posts/against-railway-oriented-programming/

https://chtenb.dev/?page=rop-cs-1

https://news.ycombinator.com/item?id=17337155

https://forums.fast.ai/t/rop-railway-oriented-programming-in-swift/44428

https://stackoverflow.com/questions/35929508/railway-oriented-programming-in-c-sharp-how-do-i-write-the-switch-function

https://www.c-sharpcorner.com/article/introduction-to-railway-oriented-programming/