svoid dm_onUserUtterance(IVF1<S> f) {
  DynModule mod = dm_current_mandatory();
  dm_ownResource(onUserUtterance(voidfunc(S s) {
    dm_q(mod, r { callF(f, s) })
  }));
}

svoid dm_onUserUtterance(S text, Runnable r) {
  DynModule mod = dm_current_mandatory();
  dm_ownResource(onUserUtterance(voidfunc(S s) {
    if (!match(text, s)) ret;
    dm_q(mod, r);
  }));
}