[Solved] What is wrong with this Swift code snippet?func fetchText() async -> String { return "Hello" } func printText() { let text = await fetchText() print(text) } | iOS Swift

iOS Swift - Concurrency

What is wrong with this Swift code snippet?

func fetchText() async -> String {
  return "Hello"
}

func printText() {
  let text = await fetchText()
  print(text)
}

Aawait cannot be used inside functions

BprintText must be marked async to use await

CfetchText cannot return String asynchronously

Dprint cannot print async function results

Step-by-Step Solution

Solution:

Step 1: Understand await usage rules
The await keyword can only be used inside async functions or async contexts.
Step 2: Check printText function declaration
Since printText() is not marked async, using await inside it causes an error.
Final Answer:
printText must be marked async to use await -> Option B
Quick Check:
Await requires async function = printText must be marked async to use await [OK]

Quick Trick: Only async functions can use await inside them [OK]

Common Mistakes:

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