摘要： int setjmp ( jmp_buf env );Save calling environment for long jumpThis function with functional form takes its argument,env, and fills its content with information about the environment state in that point in the code to be able to restore that state in a later call tolongjmp.ParametersenvObject of t 阅读全文

摘要： C++语言: Codee#2574401 /*02 对象切片03 此处为传值 注意与传地址相比较04 */05 #include <iostream>06 #include <string>07 using namespace std;08 09 class Pet10 {11 string pname;12 public:13 Pet(const string& name)14 : pname(name)15 {}16 virtual string name() const17 {18 return pname;19 }20 virtual string de 阅读全文

摘要： C++语言: Codee#2574201 #include <iostream>02 #include <cstdio>03 using namespace std;04 05 class NotEmpty06 {07 08 };09 10 int main()11 {12 cout<<sizeof(NotEmpty)<<endl;13 return 0;14 }15 16 /*17 118 19 Process returned 0 (0x0) execution time : 0.027 s20 Press any key to contin 阅读全文