Must-know information about Swift
Key Swift concepts you should be aware of
Must-know information about Swift entry point main? print log print("Hello swift") let name = "swift" print("Hello, \(name)") print("Hello, \(name1 ?? name)")// If the optional value is missing, the default value is used instead. Variable, Constant Int: On a 32-bit platform, Int is the same size as Int32. On a 64-bit platform, Int is the same size as Int64. UInt: On a 32-bit platform, UInt is the same size as UInt32.
