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I think the difference OP is pointing out is that the return behaves differently. In the forEach, the return exits the closure, but in for-in, it returns from the enclosing function.

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First, to make arguments that rely on syntax, one must use correct syntax. If OP’s syntax were valid, that return in the for-in would indeed exit the closure.

To address this argument: the fact that a ‘return’ within a loop exits the enclosing function and a return from within a closure exits the closure is not a Swift problem.

yes, this

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