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This article talks about optional chaining in swift where multiple optionals can be chained together and fail gracefully by returning nil when one of them is nil.
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Test on optional chaining to safely return a nil or non-nil value from a series of optionals chained together.
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More Articles With Similar Tags
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Test on optional chaining to safely return a nil or non-nil value from a series of optionals chained together.
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This article talks about unwrapping the optionals in Swift implicitly and the circumstances where you would use this functionality.
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This article discusses the safer ways of unwrapping an optional in Swift that includes Optional Binding.
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This article talks about the Nil Coalescing Operator (??) in Swift.
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Summary of three operators (?, !, ??) used in optionals in Swift.
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