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我想在只讀模式下將2D指針/數組傳遞給函數。我試過這樣的一維情況,它按我的意思工作,但是對於二維陣列它沒有!C++無法將參數1從'int **'轉換爲'const int **'
的錯誤消息是
cannot convert argument 1 from 'int**' to 'const int **'
,我的代碼是在這裏
void test_constdpointer(int const** pda){
cout << "function: \n";
for (int i = 0; i < 3; i++) {
cout << pda[i][0] << " " << pda[i][1] << " " << pda[i][2] << "\n";
}
}
int _tmain(int argc, _TCHAR* argv[])
{
int **da;
da = new int*[3];
for (int i = 0; i < 3; i++) {
da[i] = new int[3];
}
for (int i = 0; i < 3; i++) {
cout << da[i][0] << " " << da[i][1] << " " << da[i][2] << "\n";
}
test_constdpointer(da);
return 0;
}