Union Types in TypeScript
Автор: TypeScript with Benny Code
Загружено: 2022-04-26
Просмотров: 3884
Описание:
A union type in TypeScript allows you to declare a value that can have different types.
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Timeline:
00:08 - What is a union type?
00:51 - A union in set theory
01:30 - Creating a type alias
02:11 - Benefits of type aliases
02:24 - Common mistakes with unions
03:16 - Union types in index signatures
04:40 - Discriminated Unions (Tagged Unions)
08:08 - Union types and interfaces
Resources:
➜ Unions & Intersections: https://www.typescriptlang.org/docs/h...
➜ Venn diagram: https://en.wikipedia.org/wiki/Venn_di...
➜ Type aliases: https://www.typescriptlang.org/docs/h...
➜ Discriminated Unions: https://basarat.gitbook.io/typescript...
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