//#region src/fp/result.d.ts
/**
* A Result tuple representing either success `[null, TValue]` or failure `[TError, null]`.
* Used throughout the codebase as the standard error-handling mechanism instead of throw.
*/
type Result<TValue, TError = Error> = readonly [TError, null] | readonly [null, TValue];
/**
* A Promise that resolves to a {@link Result} tuple.
*/
type ResultAsync<TValue, TError = Error> = Promise<Result<TValue, TError>>;
/**
* Construct a success Result tuple.
*
* When called with no arguments, returns a void success `[null, undefined]`.
*
* @param value - The success value (optional).
* @returns A Result tuple `[null, value]`.
*/
declare function ok(): Result<void, never>;
declare function ok<TValue>(value: TValue): Result<TValue, never>;
/**
* Construct a failure Result tuple.
*
* Coerces any value to an `Error` via {@link toError} and returns `[Error, null]`.
* For domain-specific error types (e.g. `AuthError`, `IconsError`), use raw
* tuple literals instead: `[domainError, null] as const`.
*
* @param error - The error value (coerced to Error).
* @returns A Result tuple `[Error, null]`.
*/
declare function err(error: unknown): Result<never>;
//#endregion
export { ok as i, ResultAsync as n, err as r, Result as t };
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