swapEither

Callable

• swapEither<L, R>(x: Either<L, R>): Either<R, L>

---

• If the input is a Left, return a Right with the same value, otherwise return a Left with the same value.

  Example

  swapEither({left: "foobar"})
  // => {right: "foobar"}
  
  swapEither({right: "foobar"})
  // => {left: "foobar"}

  ---

  Type parameters

  • L

    The Left type.

  • R

    The Right type.

  Parameters

  • x: Either<L, R>

  Returns Either<R, L>