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iOS Intermediate Swift Extensions and Protocols Protocol Extensions

Rea Rahhal
Rea Rahhal
Courses Plus Student 4,732 Points

Make sure you're providing a default implementation for square inside the protocol extension

Confused about my code ...

protocol Calculator {
  func square(_ value: Double) -> Double

// Enter your code below
extension Calculator {
    func square(value: Double) -> Double {
        return value * value