Resolving “Variable used within its own initial value” Error in Swift

While experimenting with a few things today, I experienced this compiler error: Variable used within its own initial value Let me describe the situation I was in… I was playing (in a playground, no less) with closures, trying to mimic some behavior that I’ve recently learned about in Scala. Essentially, I was trying to implement a factorial function as a closure, and I was trying to do it recursively (that is, without using a for/while loop)....

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