Which of the following is the correct syntax to create a type alias for a tuple (Int, Int) named Point?

easy📝 Syntax Q3 of 15

Swift - Variables and Constants

Which of the following is the correct syntax to create a type alias for a tuple (Int, Int) named Point?

Aalias Point = (Int, Int)

Btypealias Point(Int, Int)

Ctypealias Point = (Int, Int)

Dtypedef Point = (Int, Int)

Step-by-Step Solution

Solution:

Step 1: Recall correct typealias syntax
Swift requires typealias Name = Type format.
Step 2: Check tuple syntax
The tuple type is written as (Int, Int), so typealias Point = (Int, Int) matches perfectly.
Final Answer:
typealias Point = (Int, Int) -> Option C
Quick Check:
Tuple alias syntax = typealias Name = (Type1, Type2) [OK]

Quick Trick: Always use '=' after typealias and wrap tuple types in parentheses [OK]

Common Mistakes:

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