Drill 14: Teach it — Protocols and extensions
Explain the example to someone who has never seen it.
What you will be able to do
- Explain the example to someone who has never seen it.
Practice task
Explain the example to someone who has never seen it.
protocol Describable {
var summary: String { get }
}
extension Lesson: Describable {
var summary: String { "\(title) (\(minutes) min)" }
}Your turn
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Explain the example to someone who has never seen it.
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