@monstermann/fn/dist/set/addOr.d.ts

A utility library for TypeScript.

//#region src/set/addOr.d.ts
/**
 * `addOr(target, value, or)`
 *
 * Adds a `value` to the `target` set and returns a new set. If the value already exists in the set, returns the `or` value instead.
 *
 * ```ts
 * addOr(new Set([1, 2]), 3, null); // Set([1, 2, 3])
 * addOr(new Set([1, 2]), 2, null); // null
 * ```
 *
 * ```ts
 * pipe(new Set([1, 2]), addOr(3, null)); // Set([1, 2, 3])
 * pipe(new Set([1, 2]), addOr(2, null)); // null
 * ```
 */
declare const addOr: {
  <T, U>(value: NoInfer<T>, or: U): (target: ReadonlySet<T>) => Set<T> | U;
  <T, U>(target: ReadonlySet<T>, value: NoInfer<T>, or: U): Set<T> | U;
};
//#endregion
export { addOr };