ts-data-forge/dist/functional/ternary-result/impl/ternary-result-map-warn.d.mts

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import { type UnwrapErr, type UnwrapOk, type UnwrapWarn } from './types.mjs';
/**
 * Maps the Warn variant while leaving Ok/Err untouched.
 *
 * @example
 *
 * ```ts
 * const warnValue = TernaryResult.warn(2, 'slow');
 *
 * const mappedWarn = TernaryResult.mapWarn(warnValue, (warning) => `${warning}!`);
 *
 * const okPassthrough = TernaryResult.mapWarn(
 *   TernaryResult.ok(3),
 *   (value: number) => value * 2,
 * );
 *
 * assert.deepStrictEqual(mappedWarn, TernaryResult.warn(2, 'slow!'));
 *
 * assert.deepStrictEqual(okPassthrough, TernaryResult.ok(3));
 * ```
 */
export declare function mapWarn<R extends UnknownTernaryResult, W2>(result: R, mapFn: (warning: UnwrapWarn<R>) => W2): TernaryResult<UnwrapOk<R>, UnwrapErr<R>, W2>;
export declare function mapWarn<W, W2>(mapFn: (warning: W) => W2): <S, E>(result: TernaryResult<S, E, W>) => TernaryResult<S, E, W2>;
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