[Solved] What does it mean for a Swift switch statement to be exhaustive? — Ans: It must handle all possible values of the variable being switched on. | Swift

Swift - Control Flow

What does it mean for a Swift switch statement to be exhaustive?

AIt must handle all possible values of the variable being switched on.

BIt can skip some cases if a default case is present.

CIt only needs to handle the most common cases.

DIt must include at least two cases.

Step-by-Step Solution

Solution:

Step 1: Understand the meaning of exhaustive switch
In Swift, an exhaustive switch means all possible values of the variable must be covered by cases.
Step 2: Compare options with definition
Only It must handle all possible values of the variable being switched on. states that all possible values must be handled, which matches the definition.
Final Answer:
It must handle all possible values of the variable being switched on. -> Option A
Quick Check:
Exhaustive switch = handle all cases [OK]

Quick Trick: Switch must cover every possible value or use default [OK]

Common Mistakes:

Master "Control Flow" in Swift

9 interactive learning modes - each teaches the same concept differently

More Swift Quizzes

What does it mean for a Swift switch statement to be exhaustive?