C++?????????????
???????????? ???????[ 2014/11/24 11:47:44 ] ????????C++ ?????? ???????
????3.const_cast
?????÷???const_cast<type_id> (expression)
???????????????????????const??volatile?????????const ??volatile??????? type_id??expression??????????????
??????????????????????????????????????????
??????????????????????????????????????????????
??????????????????????????
// const_cast
#include <iostream>
using namespace std;
void print (char * str)
{
cout << str << endl;
}
int main () {
const char * c = "sample text";
print ( const_cast<char *> (c) );
return 0;
}
?????????????
????sample text
??????? print(c)?????????????????
????4??reinterpret_cast
????reinterpret_cast??C++?????????????????
????????????????????????????????????????????????????????????н??ж?????????? ???磺
????int *n= new int ;
????double *d=reinterpret_cast<double*> (n);
????????м?????? d?????????.???????reinterpret_cast ????????? n ?????λ??d?? ??н??б?????????
????class A {};
????class B {};
????A * a = new A;
????B * b = reinterpret_cast<B*>(a);
?????????????C++??????????????壬?????????????????????????????????????????????????????
??????
???·???
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2023/3/23 14:23:39???д?ò??????????
2023/3/22 16:17:39????????????????????Щ??
2022/6/14 16:14:27??????????????????????????
2021/10/18 15:37:44???????????????
2021/9/17 15:19:29???·???????·
2021/9/14 15:42:25?????????????
2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11