Bird
0
0

What does it mean when we say "functions are types" in Swift?

easy📝 Conceptual Q11 of 15
Swift - Functions
What does it mean when we say "functions are types" in Swift?
AFunctions can be stored in variables and passed around like values.
BFunctions cannot be assigned to variables.
CFunctions must always return an Int type.
DFunctions cannot accept parameters.
Step-by-Step Solution
Solution:

  1. Step 1: Understand the concept of types in Swift

    In Swift, types define what kind of values variables can hold.

  2. Step 2: Apply this to functions

    Functions have types too, meaning they can be assigned to variables, passed as arguments, or returned from other functions.

  3. Final Answer:

    Functions can be stored in variables and passed around like values. -> Option A

  4. Quick Check:

    Functions as values = Functions can be stored in variables and passed around like values. [OK]
Quick Trick: Remember: functions behave like any other value in Swift [OK]
Common Mistakes:
  • Thinking functions can't be assigned to variables
  • Assuming functions must return Int
  • Believing functions can't take parameters

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More Swift Quizzes
Collections - Array operations (append, insert, remove) - Quiz 3easy Collections - Array iteration and enumerated - Quiz 11easy Data Types - Type conversion is always explicit - Quiz 8hard Functions - Argument labels and parameter names - Quiz 15hard Functions - Variadic parameters - Quiz 7medium Operators and Expressions - Ternary conditional operator - Quiz 6medium Optionals - Multiple optional binding - Quiz 7medium Swift Basics and Runtime - Print function for output - Quiz 1easy Swift Basics and Runtime - Main entry point and @main attribute - Quiz 8hard Swift Basics and Runtime - Print function for output - Quiz 4medium