Which of the following is the correct syntax for using guard let to unwrap an optional name?

easy📝 Syntax Q12 of 15

Swift - Optionals

Which of the following is the correct syntax for using guard let to unwrap an optional name?

Aguard let name = name else { return }

Bguard let name == name else { return }

Cguard let name : name else { return }

Dguard let name <- name else { return }

Step-by-Step Solution

Solution:

Step 1: Recall correct guard let syntax
The syntax is guard let constantName = optionalValue else { exit }.
Step 2: Match syntax with options
guard let name = name else { return } matches the correct syntax with single equals and else block.
Final Answer:
guard let name = name else { return } -> Option A
Quick Check:
Correct syntax uses single = and else block [OK]

Quick Trick: Use single = to assign inside guard let [OK]

Common Mistakes:

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