Consider these two @elmlang signatures. Which one tells the better story?
distance : (Int, Int) -> (Int, Int) -> Int
distance : http://Coordinate.Global -> http://Coordinate.Global -> Milespic.twitter.com/Tu0Zy7XrQ6
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types aren't just about safety, they're also about communication. I'm writing a game and there's a surprising number of things an (x,y) pair could mean.
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How would you distinguish between global coordinates ((0,0) at map corner) and local coordinates ((0,0) at entity position?
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Typically in gaming that's referred to as object space vs world space (camera space being post-projection). But those are intimately tired to whether you've applied the model, view, or projection matrices (and usually come with one of those three as arguments)
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