Last active
September 6, 2020 09:07
-
-
Save roalcantara/98226125e4c99dc8eeece72242d6c261 to your computer and use it in GitHub Desktop.
TypeScript 3.9 | Advanced Types: Returns an array's length
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| type Length<T extends any[]> = T['length'] | |
| type Length01 = Length<[]> // 0 | |
| type Length02 = Length<[any, any]> // 2 | |
| type Length03 = Length<[any, any, any]> // 3 | |
| type Length04 = Length<['a', 1, null, string]> // 4 | |
| // https://medium.com/free-code-camp/typescript-curry-ramda-types-f747e99744ab | |
| // https://github.com/millsp/medium/blob/master/types-curry-ramda/src/index.ts |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment