Swift has built-in support for checking _____ which ensures that you don’t accidentally use APIs that are unavailable on a given deployment target?

Protocols can be accessed as types in?

How to get userinfo from NSNotification in swift 3?

How do you save local storage data in a swift application?

__ can require that conforming types have specific instance properties, instance methods, type methods, operators, and subscripts?

Use func to declare a function. Call a function by following its name with a list of arguments in parentheses. Use -> to separate the parameter names and types from the function’s return type?

The example below defines two variables, movieCount and songCount, which count the number of Movie and Song instances in the library array?

Use func to declare a function. Call a function by following its name with a list of arguments in parentheses. Use -> to separate the parameter names and types from the function’s return type?

__ can require that conforming types have specific instance properties, instance methods, type methods, operators, and subscripts?

How do you save local storage data in a swift application?

How to get userinfo from NSNotification in swift 3?