[英]C++ ostream char**
我建了一个类Client
,我想ostream
吧。 这是课程:
class Client {
MyString id;
MyString full_name;
char gender;
unsigned short age;
unsigned short hobbies_num;
char** hobbies_list;
这是我已经编写的代码:
ostream& operator<<(ostream& osc, const Client& for_print)
{
return osc << for_print.id << endl << for_print.full_name << endl << for_print.gender << endl << for_print.age << endl << for_print.hobbies_num << endl;
}
我的问题是如何打印最后一个成员hobbies_list
,即二维字符动态数组?
使用for
循环。
for (int i = 0; i < for_print.hobbies_num; i++) {
osc << for_print.hobbies_list[i] << endl;
}
使用标准算法std::for_each
:
std::ostream& operator<<(std::ostream& osc, const Client& for_print)
{
osc << for_print.id << endl << for_print.full_name << endl << for_print.gender << endl << for_print.age << endl << for_print.hobbies_num << endl;
for_each(for_print.hobbies_list, for_print.hobbies_list + for_print.hobbies_num, [&](char* x){osc << x << endl; });
return osc;
}
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