考慮類混音器:C++改變默認參數在派生類的構造
class Mixer{
int numChannels;
public: Mixer(int numChannels = 2):numChannels(numChannels){
}
}
我有一個叫做加法子類。我希望加法器中numChannel的默認值爲1.我該如何實現這一目標?
考慮類混音器:C++改變默認參數在派生類的構造
class Mixer{
int numChannels;
public: Mixer(int numChannels = 2):numChannels(numChannels){
}
}
我有一個叫做加法子類。我希望加法器中numChannel的默認值爲1.我該如何實現這一目標?
變化加法器的構造函數的默認值:
class Adder: public Mixer {
public:
Adder(int numChannels = 1): Mixer(numChannels) {}
};
事情是這樣的:
class Adder : Mixer
{
public:
Adder(int numChannels = 1) : Mixer(numChannels){}
};
打我的10秒,+1 –
希望我能接受這兩個近乎即時的答案。謝謝! – morgancodes