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Most languages have optionals. Swift is one of the few that has guaranteed non-optionals. Java and C(++) have null pointers but no way to syntactically declare
by bobbylarrybobby 8y ago
Most languages have optionals. Swift is one of the few that has guaranteed non-optionals. Java and C(++) have null pointers but no way to syntactically declare something is non null and have the compiler confirm such