ts-data-forge/dist/functional/optional/impl/optional-unwrap-throw.d.mts

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import { type Unwrap } from './types.mjs';
/**
 * Unwraps an `Optional`, returning the contained value. Throws an error if
 * the `Optional` is `None`.
 *
 * This is a safer alternative to direct value access when you know the
 * Optional should contain a value. Use this method when an empty Optional
 * represents a programming error or unexpected condition.
 *
 * @example
 *
 * ```ts
 * const present = Optional.some('available');
 *
 * assert.isTrue(Optional.unwrapThrow(present) === 'available');
 *
 * assert.throws(
 *   () => Optional.unwrapThrow(Optional.none),
 *   /has failed because it is `None`/u,
 * );
 * ```
 *
 * @template O The `UnknownOptional` type to unwrap.
 * @param optional The `Optional` to unwrap.
 * @returns The contained value if `Some`.
 * @throws {Error} Error with message "`unwrapThrow()` has failed because it
 *   is `None`" if the `Optional` is `None`.
 */
export declare const unwrapThrow: <O extends UnknownOptional>(optional: O) => Unwrap<O>;
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