Function orElse

packages/effect/src/internal/matcher.ts:544–560

(f: F)

/** @internal */
export const orElse =
  <RA, Ret, F extends (_: RA) => Ret>(f: F) =>
  <I, R, A, Pr>(self: Matcher<I, R, RA, A, Pr, Ret>): [Pr] extends [never] ? (input: I) => Unify<ReturnType<F> | A>
    : Unify<ReturnType<F> | A> =>
  {
    const result = either(self)

    if (Either.isEither(result)) {
      // @ts-expect-error
      return result._tag === "Right" ? result.right : f(result.left)
    }

    // @ts-expect-error
    return (input: I) => {
      const a = result(input)
      return a._tag === "Right" ? a.right : f(a.left)
    }
  }

/** @internal */
export const orElseAbsurd = <I, R, RA, A, Pr, Ret>(