Swift - Functions
How do you correctly store a function named
displayMessage into a variable called show in Swift?How do you correctly store a function named displayMessage into a variable called show in Swift?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand function assignment
Assigning a function to a variable means referencing the function itself, not calling it.Step 2: Avoid parentheses
Using parentheses calls the function immediately, so omit them to assign the function.Final Answer:
let show = displayMessage -> Option DQuick Check:
Assign function without parentheses [OK]
Quick Trick: Assign function without parentheses to variable [OK]
Common Mistakes:
- Using parentheses which calls the function immediately
- Declaring variable with incorrect type
- Trying to assign function call result instead of function reference
Master "Functions" in Swift
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