// needs Snippets DB v2 (#1016872) with withTexts=true
static LS dm_snippetIDsWhereTextMatches(IPred<S> pred) {
  new LS out;
  for (O snippet : dm_allSnippets()) {
    S text = cast call(snippet, 'text);
    if (isTrue_callF(pred, text))
      out.add((S) call(snippet, 'snippetID));
  }
  ret out;
}