Namespacing in Swift

Which scope are you talking about?

You can have multiple functions that have the same name. There are some situations where you would probably actually want to do that.

This article explores Namespacing in Swift.

Photo by Jon Tyson on Unsplash

Difficulty: Beginner | Easy | Normal | Challenging

Prerequisites:

• Be able to produce a “Hello, World!” iOS application (guide HERE)
• Some knowledge of encapsulation (guide HERE)
• Knowledge of structs and classes (guide HERE)
• Knowledge of Access Control is useful when Frameworks are invovled later in the article (guide HERE)

Terminology

Frameworks: A way of sharing a package of code with Apps, team members or further afield

Module: A framework or application built and shipped as a single unit that can be imported by another module with Swift’s import keyword. Equivalent to node modules, packages, gems or jars in other languages

Namespace: A named region of a program used to group variables, types and methods

Struct: An object defined in Swift, using pass by value semantics