Function expectToBeFailure

expectToBeFailure<A>(
value: undefined | ServiceResult<A>,
): asserts value is Readonly<{ isRight: false; left: ServiceError }> & Failure<
ServiceError,
>
Alias for expectToBeLeft
Type Parameters
- A
Parameters
- value: undefined | ServiceResult<A>
Returns asserts value is Readonly<{ isRight: false; left: ServiceError }> & Failure<
ServiceError,
>
- Defined in testing-core/src/lib/expectToBeFailure.ts:16