In this lesson, we'll discuss helper types. All available helper types are listed in the TypeScript documentation section of the same name — https://www.typescriptlang.org/docs/h.... There are many of them, so we'll cover them gradually. Let's start with ReturnType.
ReturnType is a helper type. It allows you to extract the type of the value returned by a function. We'll explore how to use it in practice in this video.
Contents:
00:00 Introduction
01:13 What are helper types
03:24 ReturnType
03:59 Practice
09:26 Summary
Useful links:
ReturnType in the documentation — https://www.typescriptlang.org/docs/h...
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