iOS Swift - Concurrency
Which of the following is the correct way to declare a function that updates UI using MainActor in Swift?
Which of the following is the correct way to declare a function that updates UI using MainActor in Swift?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall correct syntax for @MainActor
@MainActor is an attribute placed before the function declaration.Step 2: Check each option
@MainActor func updateUI() { /* code */ } correctly places @MainActor before the function name.Final Answer:
@MainActor func updateUI() { /* code */ } -> Option DQuick Check:
@MainActor before func = correct syntax [OK]
Quick Trick: @MainActor goes before func keyword [OK]
Common Mistakes:
- Placing @MainActor after func name
- Putting @MainActor inside function body
- Using @MainActor as a suffix
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