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Why is the property name id specifically required by the Identifiable protocol in Swift?

hard📝 Conceptual Q10 of 15
iOS Swift - Lists and Data Display

Why is the property name id specifically required by the Identifiable protocol in Swift?

ABecause SwiftUI and other frameworks rely on <code>id</code> to uniquely identify data elements
BBecause <code>id</code> is a reserved keyword in Swift
CBecause <code>id</code> is automatically generated by the compiler
DBecause <code>Identifiable</code> requires a method named <code>id()</code>
Step-by-Step Solution
Solution:

  1. Step 1: Understand protocol usage

    Identifiable is used by SwiftUI and other frameworks to track unique elements.

  2. Step 2: Importance of property name

    The property must be named id so these frameworks can access it consistently.

  3. Final Answer:

    Because SwiftUI and other frameworks rely on id to uniquely identify data elements -> Option A

  4. Quick Check:

    Frameworks expect 'id' property [OK]
Quick Trick: Frameworks require 'id' to identify items uniquely [OK]
Common Mistakes:
  • Thinking 'id' is a reserved keyword
  • Assuming 'id' is auto-generated
  • Confusing property with method

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