Answer Posted / iosraj
Optional chaining is a process of querying and calling properties. Multiple queries can be chained together, and if any link in the chain is nil then, the entire chain fails.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
How do you implement delegates in swift?
What is reuseidentifier in swift?
How can you define a base class in swift?
What is subscript in swift?
What is difference between class and struct swift?
Explain the adapter and memento pattern?
What is a type in swift?
Explain enum?
How to convert nsmutablearray to swift array in swift?
What is dynamic dispatch swift?
What is an in-out parameter in swift?
Explain deinitializer in swift programming language?
Is swift coding easy?
What is lazy stored procedure in swift and when is it used?
What is interface in swift?
