Function expectToBeRight

expectToBeRight<A, E>(
value: undefined | Either<E, A>,
): asserts value is Readonly<{ isRight: true; right: A }>
Asserts and narrows the type of the provided Either value to Right.
Type Parameters
- A
- E
Parameters
- value: undefined | Either<E, A>
  The Either value to check
Returns asserts value is Readonly<{ isRight: true; right: A }>
Throws
If the value is undefined or not a Right
- Defined in testing-core/src/lib/expectToBeRight.ts:12