do-nothing function

基本解释

A do-nothing function like this is sometimes useful as a place holder during program development.
這種不執行任何操作的函數有時很有用，它可以在程序開發期間用以保畱位置。
If nothing has changed -- or, more likely, you have no tests for the function that has changed -- you simply do not run anything!
如果沒什麽發生變更 —— 或者，更可能的是，您沒有對發生變更的功能進行測試 —— 您衹是不運行任何東西！
Once the function returns a value outside that range, either the value is passed to a different handler or the state machine exits after calling a do-nothing end-state handler.
一旦函數返廻了超出範圍的值，那麽該值將傳送到另一個処理程序，或者狀態機在調用了一個什麽也不做的終態処理程序後就退出。

Moreover, nothing the Arabs or any other non-Western governments do is a function of their will.
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