Build Your Swift App Using Protocols [Video]

Hamish Knight
Monday, July 24, 2017

Use protocols effectively in your code and explore protocols under the hood

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Video Details

ISBN 139781787125858

Course Length3 hours and 26 minutes

Video Description

This course shows you how to get the most out of Protocol Oriented Programming. Taking you beyond the basics, it teaches you advanced techniques and ways-of-thinking that will improve the way you use protocols, and shows you how to solve common problems you'll face when working with protocols. You will soon be building your first app with protocols. By the end of this course you'll be a protocol programming expert.

Style and Approach

This course goes step-by-step through the effective use of protocols in your code.

Writing Your First Protocol-oriented Program

The Course Overview

Using Protocols Over Inheritance

The Importance of Protocol Semantics

Delegation with Protocols

Testing with Protocols

OptionSet and Sequence

Collection Family of Protocols

Building an App with Protocols

Protocols Under the Hood

Existential Containers

Dispatch of Protocol Requirements

Constrained Generic Placeholder versus Protocol Type

Working with the Limitations of Protocols

Type Erasers

Simplifying Protocol Architectures with Closures

Overriding Operator Conformance

Avoiding Expensive Casts

Working Around the Lack of Conditional Conformances

Using Protocols to Allow Parameterised Extensions

Swift 4 and Beyond

Associated Type Where Clauses

Working with Conditional Conformances

Class and Subtype Existentials

What You Will Learn

Explain the implementation of common patterns using protocols
Implement some of the standard library's more advanced protocols, such as Sequence and the Collection family of protocols
Use protocols effectively in real-world applications
Explore some under-the-hood details of protocols that can help you use them efficiently in your code
Solve common problems encountered when working with protocols
Master some of the great new protocol features in Swift 4

Authors

Hamish Knight

Hamish Knight is a Computer Science undergraduate at the University of Bath in the UK with a passion for Swift. Hamish is always interested in exploring how Swift operates at a lower level, and enjoy posting answers to Swift questions on Stack Overflow. Furthermore, he has over three years of experience developing mobile apps for iOS, with four apps currently on the App Store.