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on the other hand , if let and guard let , together with optional, is what makes swift the safest language i've ever developped with relative to null pointers exception (I haven't had any in years) yet bringing almost no syntax overhead.

Compare that to go ( which still has npe) or rust ( whose borrow system appears to be a real pain point) and i think it has an edge.




Have you tried crystal? It has much of the same in how its union types work.




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