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What does a variadic parameter in Swift allow a function to do?

easy📝 Conceptual Q11 of 15
Swift - Functions
What does a variadic parameter in Swift allow a function to do?
ALimit the number of arguments to exactly two
BAccept any number of values of the same type
CAccept only one value of any type
DReturn multiple values from a function
Step-by-Step Solution
Solution:

  1. Step 1: Understand variadic parameter purpose

    Variadic parameters let a function accept zero or more values of the same type.

  2. Step 2: Compare options with definition

    Only Accept any number of values of the same type correctly describes this behavior.

  3. Final Answer:

    Accept any number of values of the same type -> Option B

  4. Quick Check:

    Variadic parameter = multiple values [OK]
Quick Trick: Variadic means 'variable number' of same type values [OK]
Common Mistakes:
  • Confusing variadic with multiple return values
  • Thinking it accepts different types
  • Assuming it limits arguments

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