"If you can make a computer do what you want it to at least some of the time, you are A Real Developer!" - @cocoaphony
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I think I know what the difference is, but only because I'm assuming existential vs universal map directly to all my philosophy logic classes. Don't break my illusion of mastery pls.
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Argument position: existential x - for some x, P Return position: universal x - for any x, P
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sometimes i wonder why impl any trait at all on my more existentially depressed days
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impl Any uuuugh
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That's not worth having an existential crisis over.
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This band idea, though… The Mediocre Rust Birds The dream lives :)
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My hot take: in principle, they are the same thing. Fight me.
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Sorry if you didn't want explanation attempts: Argument: Could be any type, function caller gets to pick. Same as a regular generic <T>. Return: It's a specific type, the function body gets to pick, and simply isn't telling caller which one they picked.
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Because sometimes it's nice to write: impl Iterator instead of Map<Map<Iter<...>>
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