Protocol Oriented Programming Vertical Vs Horizontal Sharing Ios Interview Booklet 4 1

Summary

Apple introduced Swift as the first Structs are copied. So is passing a huge struct slow? Takeaway: Big structs are rarely the bottleneck — measure first. Custom ... In this video you will learn the basic concepts of the design paradigm Encapsulation, abstraction, inheritance, polymorphism. Every interviewer asks for the four pillars. Takeaway: Encapsulate with ... Designated, convenience, required. Swift's class initializers have strict rules, and interviewers love to test them. Takeaway: ... Add a method to String, a type you didn't write. Give every conforming type a free default. Takeaway: Extensions add behaviour ... Swift has no abstract keyword. And when you call a method, Swift picks one of three completely different ways to find it. Takeaway: ... Swift enums aren't just lists of constants. They can carry data, have methods, and even contain themselves. Takeaway: Associated ... Which architecture is best? The honest answer is: it depends. Takeaway: Pick architecture by team size and complexity.