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const 成员变量的初始化
const的成员变量只能在类的构造函数初始化,如下编译报错
//const.h#include<iostream>class cconst{public: cconst(); void
print() { std::cout<<"----"< const int cs;}; argv[]){ cconst* a = new cconst(); a->print(); return 0;} base/member initializer list 将const.cpp修改为: argv[]){ cconst* a = new cconst(); a->print(); return 0;} 仍然报错: error c2758: "cs" : must be initialized in constructor base/member initializer list 修改为下面形式后,正常: char* argv[]){ cconst* a = new cconst(); a->print(); return 0;}
//const.cpp#include"const.h"cconst::cconst(){}int main(int argc, char*
编译报错error c2758: "cs" : must be initialized in constructor
#include"const.h"cconst::cconst(){ cs = 0;}int main(int argc, char*
#include"const.h"cconst::cconst():cs(0){ //cs = 0;}int main(int argc,