How do you correctly declare a Swift function named modify that takes an inout parameter number of type Int?

easy📝 Syntax Q3 of 15

Swift - Functions

How do you correctly declare a Swift function named modify that takes an inout parameter number of type Int?

Afunc modify(_ number: Int inout) { }

Bfunc modify(inout number: Int) { }

Cfunc modify(number: inout Int) { }

Dfunc modify(number inout: Int) { }

Step-by-Step Solution

Solution:

Step 1: Recall Swift syntax for inout
The inout keyword appears before the parameter type.
Step 2: Analyze options
func modify(number: inout Int) { } correctly places inout before Int. Other options misuse the keyword placement.
Final Answer:
func modify(number: inout Int) { } -> Option C
Quick Check:
inout before type [OK]

Quick Trick: inout always precedes the type [OK]

Common Mistakes:

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