What is lazy var in swift?
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What are structures in swift?
Is swift written in c++?
What is the floating point numbers and what are the types of floating number in swift?
Explain some common features of protocols & superclasses.
What are regular expression and responder chain in swift?
Explain what is optional chaining?
What is abstract class in swift?
What is a static variable swift?
Explain what is half-open range operator?
What is forced unwrapping?
What is nested function in swift?
What is singleton class swift 3?