static L<ParsedWithTokens<S>> pwt_stepRight_filter(int maxTokens, IPred<S> f, ParsedWithTokens p) {
  ret pwt_filter(f, pwt_followingTokens(1, maxTokens, p.remaining()));
}

static L<ParsedWithTokens<S>> lambdaMapLike pwt_stepRight_filter(IPred<S> f, int maxTokens, ParsedWithTokens p) {
  ret pwt_stepRight_filter(maxTokens, f, p);
}