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You want to create a function in Swift that accepts only integers and returns their square. Why is strong typing important here?

hard📝 Application Q15 of 15
Swift - Data Types
You want to create a function in Swift that accepts only integers and returns their square. Why is strong typing important here?
AIt ensures only integers are passed, preventing errors
BIt allows passing any type without restrictions
CIt automatically converts strings to integers
DIt makes the function run faster by ignoring types
Step-by-Step Solution
Solution:

  1. Step 1: Understand function parameter typing

    Strong typing requires the function to accept only Int type, avoiding wrong inputs.

  2. Step 2: Recognize benefits of strong typing in functions

    This prevents runtime errors by catching type mistakes early.

  3. Final Answer:

    It ensures only integers are passed, preventing errors -> Option A

  4. Quick Check:

    Strong typing = safer function inputs [OK]
Quick Trick: Strong typing prevents wrong input types [OK]
Common Mistakes:
  • Thinking any type can be passed
  • Assuming automatic type conversion
  • Believing types slow down functions

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