!7

concept Bla {
  S name;
}

cmodule2 QuickReloadTest > DynPrintLog {
  transient virtual Concepts oldConcepts;
  
  start {
    print(+oldConcepts);
    print(+Bla);
    db();
    printVars_str(concepts := db_mainConcepts().concepts);
    pnlStruct(list(Bla));
    db_checkConceptIDs();
    print(conceptsWhere(Bla, name := "yo"));
    uniq(Bla, name := "yo");
  }
  
  Concepts _getReloadData() { ret db_mainConcepts(); }
  void _setReloadData_early(virtual Concepts data) {
    if (data == null) ret;
    
    oldConcepts = data;
    Concepts concepts = db_mainConcepts();
    concepts.miscMapPut("dbGrabber", func -> Bool {
      concepts.miscMapRemove("dbGrabber");
      pcall {
        concepts.idCounter = getLong idCounter(oldConcepts);
        printVars_str(idCounter := concepts.idCounter);
        Map<Long, virtual Concept> oldMap = cast _get concepts(oldConcepts);
        printVars_str(+oldMap);
        concepts.concepts.putAll((Map<Long, Concept>) quickImport_unlisted(oldMap));
        
        // Note: this calls _doneLoading2() on all concepts
        concepts.assignConceptsToUs();
        true;
      }
      false;
    });
  }
}

Began life as a copy of #1030837