29 lines
475 B
TypeScript
29 lines
475 B
TypeScript
// deprecated alternative names for Maybe
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import { isNone, Maybe, None } from './Maybe.js';
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/**
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* Old name for None.
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*
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* @deprecated use `None` instead
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* @public
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*/
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export type Nil = None;
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/**
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* Old name for Maybe.
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*
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* @deprecated use Maybe instead
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* @public
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*/
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export type Optional<T> = Maybe<T>;
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/**
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* Check if a value is nil.
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*
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* @deprecated use `isNone` instead
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* @public
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*/
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export function isNil<T>(val: Maybe<T>): val is Nil {
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return isNone(val);
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}
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