Whats worth taking from "railroad oriented programming"

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On Friday, 21 February 2025 at 04:29:25 UTC, monkyyy wrote:
> https://www.youtube.com/watch?v=srQt1NAHYC0
>
> The guy has nice pictures, but... I havnt seen it in a 
> nonfunctional language
>
> In theory I want ranges + nullable to be smarter but; idk I 
> dont know what to call it

You can do pretty much the exact same stuff in Java using the 
Stream API. You don't need a functional language