[Solved] What will be printed by this Swift code using async/await?func fetchNumber() async -> Int { return 5 } Task { let number = await fetchNumber() print(number) } | iOS Swift

iOS Swift - Concurrency

What will be printed by this Swift code using async/await?

func fetchNumber() async -> Int {
  return 5
}

Task {
  let number = await fetchNumber()
  print(number)
}

A5

BOptional(5)

CTask

DNo output

Step-by-Step Solution

Solution:

Step 1: Understand async function return
The function fetchNumber() returns an Int value 5 asynchronously.
Step 2: Await and print result
The await keyword waits for the result, then print(number) outputs 5.
Final Answer:
5 -> Option A
Quick Check:
Await fetch returns 5 printed = D [OK]

Quick Trick: Await unwraps async result before printing [OK]

Common Mistakes:

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