This article will show you how to access a class's private members, such as
variables and methods in Swift.
In the normal case, you cannot access private members outside the scope of a
class directly, but let's see what are the alternative ways to access members
within and outside the
As per the standard definition, Closures are self-contained blocks of
functionality that can be passed around and used in your code.
When passing a closure expression to a function as the function’s final
argument, it can be useful to write a trailing closure.
> Trailing closure is written after the
In iOS development, the view controllers are the foundation of the Application's
internal structure. The View Controller is the parent of all the views present
on a storyboard. Each UIKit application has at least one ViewController. It
facilitates the transition between various parts of the user interface.
An Optional is a type of its own that can handle the absence of a value.
Optionals can contain nil values and there are multiple ways to unwrap them. In
this article, we will understand why not to unwrap them forcefully and how to
unwrap them safely.
> A type
An array is an ordered, random-access generic collection. The Array type to hold
elements of a single type, the array’s Element type. An array can store any kind
of elements—from integers to strings to classes.
Are Arrays Thread-Safe?
Intrinsically, Arrays in Swift are not thread-safe. Arrays are
Array and NSArray are very similar and core constructs in iOS Development, and
cause of this similarities we sometime forget how different this two construct
works, these are some major difference that you must know about Array and
Array is a struct which means it is value type