iOS Swift - User Input and Forms
What will happen if you try to assign a String to an Int property in a Swift struct for form data?
struct FormData {
var age: Int
}
var data = FormData(age: 25)
data.age = "thirty"
What will happen if you try to assign a String to an Int property in a Swift struct for form data? struct FormData { var age: Int } var data = FormData(age: 25) data.age = "thirty"
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Swift type safety
Swift enforces types strictly, so assigning a String to an Int property is not allowed.Step 2: Identify error timing
This type mismatch causes a compile-time error, preventing the app from building.Final Answer:
Compile-time error due to type mismatch -> Option BQuick Check:
Type mismatch = Compile-time error [OK]
Quick Trick: Swift types must match exactly [OK]
Common Mistakes:
- Thinking string stores in Int
- Expecting runtime crash
- Assuming property becomes optional
Master "User Input and Forms" in iOS Swift
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore iOS Swift Quizzes