import { Exclude } from "../set";
/**
 * union type of nullish values.
 * @see https://developer.mozilla.org/en-US/docs/Glossary/Nullish
 *
 * @since 0.0.2
 */
export type Nullish = null | undefined;
/**
 * type representing a possibly nullish value
 *
 * @since 0.0.2
 */
export type Nullishable<T> = T | Nullish;
/**
 * type representing a possibly undefined value
 *
 * @since 0.0.2
 */
export type Undefinable<T> = T | undefined;
/**
 * type representing a possibly null value
 *
 * @since 0.0.2
 */
export type Nullable<T> = T | null;
/**
 * type representing a nonnullish value
 *
 * @since 0.0.2
 */
export type NonNullish<T> = Exclude<T, Nullish>;
/**
 * type representing a nonundefined value
 *
 * @since 0.0.2
 */
export type NonUndefined<T> = Exclude<T, undefined>;
/**
 * type representing a nonnull value
 *
 * @since 0.0.2
 */
export type NonNull<T> = Exclude<T, null>;
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