- Both tuples and arrays allow us to hold several values in one variable, but tuples hold a fixed set of things that can’t be changed, whereas variable arrays can have items added to them indefinitely
- Another advantage to tuples is that each value is specifically created by you, so as well as providing a name you also provide a type. So, you could create a tuple like this one:
var person = (name: “Paul”, age: 40, isMarried: true)
That combines a string, an integer, and a Boolean in a single value, which would be pretty ugly in an array.’
EXTRA POINTS ON TUPLES:
- You can access items in a tuple using numerical positions or by naming them, but Swift won’t let you read numbers or names that don’t exist
- Tuples may have duplicate values
- Tuples store values together in a single value
- Tuples are perfectly capable of holding multi-line strings
