New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

730 - Union to Tuple #7091

Open

Carefree-happy opened this issue Mar 6, 2022 · 0 comments

Labels

Carefree-happy commented Mar 6, 2022 •

edited

Loading

// 730 - Union to Tuple

type UnionToIntersection = (
U extends unknown ? (arg: U) => 0 : never
) extends (arg: infer I) => 0
? I
: never;

type LastInUnion = UnionToIntersection<
U extends unknown ? (x: U) => 0 : never

extends (x: infer L) => 0
? L
: never;

type UnionToTuple<U, Last = LastInUnion> = [U] extends [never]
? []
: [...UnionToTuple<Exclude<U, Last>>, Last];

Carefree-happy added answer en labels

github-actions bot added the 730 label

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment