[Solved] What will be the output of this Swift code?var number: Int? = 5 if let value = number { print(value * 2) } else { print("No value") } | Swift

Swift - Optionals

What will be the output of this Swift code?

var number: Int? = 5
if let value = number {
  print(value * 2)
} else {
  print("No value")
}

AOptional(5)

BNo value

C10

DRuntime error

Step-by-Step Solution

Solution:

Step 1: Check optional binding
The variable number holds 5, so if let unwraps it into value = 5.
Step 2: Calculate and print
Inside the if block, value * 2 = 10 is printed.
Final Answer:
10 -> Option C
Quick Check:
Unwrapped value multiplied = 10 [OK]

Quick Trick: if let unwraps and uses the value safely [OK]

Common Mistakes:

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