[問題] function的{前加上:跟其他東西是甚麼意思
遇到的問題: (題意請描述清楚)
有段code看不懂
主要是想問
:xxx(NULL)
這一段做了甚麼事?
是呼叫這建構子的時候會執行這段嗎?
如果是的話後面又為什麼要判斷xxx是否等於NULL?
開發平台: (例: VC++ or gcc/g++ or Dev-C++, Windows or Linux)
VS2008
有問題的code: (請善用置底文標色功能)
置底文連結掛了...
class abc
{
public:
abc();
byte* xxx;
}
abc::abc()
: xxx(NULL)
{
if(xxx!=NULL) delete [] xxx;
}
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