[Solved] Given this code, what is the type of operation? typealias Operation = (Int, Int) -> Int let operation: Operation = { a, b in a + b } | Swift

Swift - Data Types

Given this code, what is the type of operation?

typealias Operation = (Int, Int) -> Int
let operation: Operation = { a, b in a + b }

AAn Int value

BA tuple of two Ints

CA function that takes two Ints and returns an Int

DA syntax error due to incorrect closure

Step-by-Step Solution

Solution:

Step 1: Understand the typealias definition
Operation is defined as a function type that takes two Int parameters and returns an Int.
Step 2: Analyze the assigned closure
The closure matches the Operation type: it takes two Ints and returns their sum as Int.
Final Answer:
A function that takes two Ints and returns an Int -> Option C
Quick Check:
Function typealias = A function that takes two Ints and returns an Int [OK]

Quick Trick: Function typealias defines input and output types clearly [OK]

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