[Solved] Identify the error in this model definition:@Model class Product { var name: String var price: Double func discount() -> Double { return price * 0.9 } } | iOS Swift

iOS Swift - Local Data Persistence

Identify the error in this model definition:

@Model class Product {
  var name: String
  var price: Double
  func discount() -> Double {
    return price * 0.9
  }
}

ANo error, this is valid

BModels cannot have functions inside them

Cprice should be an Int, not Double

DMissing initializer for properties

Step-by-Step Solution

Solution:

Step 1: Check @Model class rules
@Model classes are data containers that support stored properties, computed properties, initializers (synthesized), and methods.
Step 2: Analyze potential issues
No syntax errors: initializer synthesized by @Model, Double valid for price, methods allowed.
Final Answer:
No error, this is valid -> Option A
Quick Check:
@Model class = supports methods [OK]

Quick Trick: @Model classes support methods [OK]

Common Mistakes:

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