Void

The void keyword is used only in function declarations. It indicates that the function is expected to return no information to the function from which it was called.

譯：void用於函數聲明。它表明該函數將不返回任何信息。

示例

// actions are performed in the functions "setup" and "loop"
// but  no information is reported to the larger program

void setup()
{
  // ...
}

void loop()
{
  // ...
}
 

擴展閱讀

function declaration

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