Extensions in Dart - Learn How to Extend the Functionality of New and Existing Types with Extensions

This video is part of the Dart Crash Course playlist on YouTube. See the entire playlist here:    • Dart Crash Course  

Welcome to Dart Crash Course. Dart is a beautiful and modern programming language that can be used both for frontend and backend applications. In this course, we will focus on Dart as a programming language without blending in any other frameworks such as Flutter.

In this video we will have a look at creating extensions that can help us write better code, on existing and new data types. This chapter blends in the concept of extensions together with generics so I highly recommend that you watch the previous chapters first, specifically the chapters about generics and collections.

Timestamps:
00:00 - Intro
02:23 - Extending String
05:45 - Sum of Iterable
11:00 - Range on int
17:08 - Finding Duplicate Values in Iterables
20:05 - Finding and Mapping Keys and Values on Map
29:47 - Extending Enums
31:59 - Extending Functions
35:17 - Extension Overrides

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