this post was submitted on 30 Sep 2023
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You looked at how it works and made comments about that (which I am thankful for and will enjoy replying to below). Can I first bring your attention to what is does instead of how it does it. Do you think that the names of the method function and helper function made it's intended result clear? Could the use of map be so unexpected as to be a distraction?
I shouldn't have included the node.visible = (expression) in the example, that was needlessly complex. It's just what was in front of me (I do however find it appealing because it reduces the number of lines but that is another discussion).
While for loops are a popular method taught to every programmer early on then a for loop is easier to understand step by step. I do find occasions where a for loop just looks better but I keep finding that I better understand what my code is actually doing when I try to write a loop using functional programming methods.