What is an attribute in swift?

0 Answers  

---

What is the difference between swift and ‘objective-c’ language?

0 Answers  

---

What is a guard statement? What is the benefit of using guard statement in swift?

0 Answers  

---

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.

1 Answers  

---

What is the use of continue statement in swift loop?

0 Answers  

---

---

Explain completion handler?

0 Answers  

---

What is interface in swift?

0 Answers  

---

What is nested function in swift?

0 Answers  

---

What are the tools that are required to develop ios applications?

0 Answers  

---

Do try catch swift?

0 Answers  

---

What is unowned in swift?

0 Answers  

---

Can structs inherit swift?

0 Answers  

---