swift2 - Swift: guard let vs if let - Stack Overflow The Swift Docs on Control Flow explain the idea behind that: Using a guard statement for requirements improves the readability of your code, compared to doing the same check with an if statement
ios - How do you create a Swift Date object? - Stack Overflow Swift has its own Date type No need to use NSDate Creating a Date and Time in Swift In Swift, dates and times are stored in a 64-bit floating point number measuring the number of seconds since the reference date of January 1, 2001 at 00:00:00 UTC This is expressed in the Date structure The following would give you the current date and time: