iOS Swift - User Input and Forms
Identify the error in this Swift struct for form data:
struct FormData {
var email: String
var age: Int
init(email: String) {
self.email = email
}
}
Identify the error in this Swift struct for form data: struct FormData { var email: String var age: Int init(email: String) { self.email = email } }
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Check custom initializer
The init method only sets email but does not set age.Step 2: Understand Swift initialization rules
All properties must be initialized before the struct instance is created, so age is missing initialization.Final Answer:
Missing initialization of age property -> Option AQuick Check:
All properties must be initialized [OK]
Quick Trick: All properties must be set in init [OK]
Common Mistakes:
- Thinking email should be optional
- Believing structs can't have init
- Confusing age type
Master "User Input and Forms" in iOS Swift
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