public bool TryInterpret(CodeInterpreter compiler, CodeReader reader, out IProcess process)
        {
            var backup = reader.Backup();

            process = null;

            if (compiler.TryInterpret(reader, Priority, out var before))
            {
                if (reader.ReadOperator(out var operatorText) && OperatorText == operatorText)
                {
                    if (compiler.TryInterpret(reader, Priority, out var after))
                    {
                        process = CreateProcess(before, after);

                        return(true);
                    }
                }
            }

            backup.Restore();

            return(false);
        }