traverseState<S, R2> method

State<S, Either<L, R2>> traverseState<S, R2>(
  1. State<S, R2> f(
    1. R r
    )
)

Implementation

State<S, Either<L, R2>> traverseState<S, R2>(State<S, R2> f(R r)) => fold((l) => new State((s) => tuple2(left(l), s)), (r) => f(r).map(right));