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Which of the following is the correct syntax for optional binding using if let in Swift?

easy📝 Syntax Q12 of 15
Swift - Optionals
Which of the following is the correct syntax for optional binding using if let in Swift?
Aif let value = optionalValue { print(value) }
Bif optionalValue let value { print(value) }
Cif let = optionalValue value { print(value) }
Dif let optionalValue = value { print(value) }
Step-by-Step Solution
Solution:
  1. Step 1: Identify correct if let syntax

    The correct syntax is if let newName = optionalValue to unwrap safely.
  2. Step 2: Check each option

    Only if let value = optionalValue { print(value) } matches the correct syntax; others have wrong order or keywords.
  3. Final Answer:

    if let value = optionalValue { print(value) } -> Option A
  4. Quick Check:

    Correct if let syntax = if let value = optionalValue { print(value) } [OK]
Quick Trick: Remember: if let newName = optional [OK]
Common Mistakes:
  • Swapping variable and optional names
  • Missing equal sign
  • Wrong keyword order

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