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

NonUndefined<A> #28

Open

nmsn opened this issue Mar 24, 2023 · 1 comment

Labels

Contributor

nmsn commented Mar 24, 2023

Exclude undefined from set A

nmsn added the utility-types label

Contributor Author

nmsn commented Mar 24, 2023

/**
 * NonUndefined
 * @desc Exclude undefined from set `A`
 * @example
 *   // Expect: "string | null"
 *   SymmetricDifference<string | null | undefined>;
 */
export type NonUndefined<A> = A extends undefined ? never : A;

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