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Swift MCQs

Restrict extensions on a type in Swift?

final class Person { func testFunc() {} } extension Person { func testFunc2() {} } let test = Person () test.testFunc2()

final class Person { private let name: String func tellName() -> String { return "I am \(name)" } init(name: String) { self.name = name } }

final class Person { func testFunc() {} } extensions Person { func testFunc2() {} } let test = Person () test.testFunc2()

final class Person { private let name func tellName() { return "I am \(name)" } init(name: String) { self.name = name } }

Answer

Correct Answer: final class Person { private let name: String func tellName() -> String { return "I am \(name)" } init(name: String) { self.name = name } }

Explanation:

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