public virtual void Execute(IBaseDelegateExecution execution)
{
IList <string> list;
var test = execution.GetVariable("listVar");
//TODO 待优化
if (test is UntypedValueImpl)
{
list = (IList <string>)(((UntypedValueImpl)test).Value);
}
else
{
list = (IList <string>)execution.GetVariable("listVar");
}
execution.RemoveVariable("listVar");
// implicitly update the previous list, should update the variable value
list.Add(NEW_ELEMENT);
}
