[klaussilveira]

As a non-Rust guy, I keep writing the example above. I didn't even know about the second option!

If you do that, please share a link so I can learn from you! This is awesome!

[DauntingPear7]

Look into rust iterators and their associated functions for rust specific implementation. Additionally look into functional programming à la lambda calculus and Haskell for the extreme end of this type of programming if you’d like to learn more about it