code: @Override
      public <B> EitherT<W,ST,B> map(final Function<? super T, ? extends B> f) {
          return new EitherT<W,ST,B>(
                                    run.map(o -> o.map(f)));
      }
docs: Map the wrapped Maybe
  
  <pre>
  {@code
  MaybeWT.of(AnyM.fromStream(Arrays.asMaybeW(10))
  .map(t->t=t+1);
  
  
  //MaybeWT<AnyMSeq<Stream<Maybe[11]>>>
  }
  </pre>
  
  @param f Mapping function for the wrapped Maybe
  @return MaybeWT that applies the transform function to the wrapped Maybe