/// <summary> /// Creates new grammar. /// </summary> /// <returns> /// When resolved, a newly created <see cref="Grammar" /> object. When rejected, an /// <see cref="Exception" /> with info about error that occured. /// </returns> public static IPromise <Grammar> CreateGrammar() { return(WebAPI.CreateGrammar() .Then(grammar => { grammarList.Add(grammar.id, grammar); SaveGrammarList(); return grammar; })); }