What is swift programming?
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Is singleton thread safe swift?
How multiple line comment can be written in swift?
What is forced unwrapping? Why is it potentially unsafe?
What are the differences between a struct and a class?
What lazy stored properties is and when it is useful?
Does apple use swift internally?
What is data structure in swift?
What do you mean by initialization?
How do you make a swift bridging header?
Is swift thread safe?
Explain how Swift program is deployed?
struct Planet { var name: String var distanceFromSun: Double } let planets = [ Planet(name: "Mercury", distanceFromSun: 0.387), Planet(name: "Venus", distanceFromSun: 0.722), Planet(name: "Earth", distanceFromSun: 1.0), Planet(name: "Mars", distanceFromSun: 1.52), Planet(name: "Jupiter", distanceFromSun: 5.20), Planet(name: "Saturn", distanceFromSun: 9.58), Planet(name: "Uranus", distanceFromSun: 19.2), Planet(name: "Neptune", distanceFromSun: 30.1) ] let result1 = planets.map { $0.name } let result2 = planets.reduce(0) { $0 + $1.distanceFromSun } What are the types and values of the result1 and result2 variables? Explain why.