在C++ 中,this指针是一个特殊的指针,它指向当前对象的实例。 在C++ 中,每一个对象都能通过this指针来访问自己的地址。 this是一个隐藏的指针,可以在类的成员函数中使用,它可以用来指向调用对象。 当一个对象的成员函数被调用时,编译器会隐式地传递该对象的地址作为 this 指针。 友元函数没有this指针,因为友元不...
In this tutorial, we will learn about this pointer in C++, its usage, and examples.What is 'this' pointer in C++?In C++ programming language 'this' is a keyword, the value of 'this' pointer is the address of object in which the member function is called....
Jan 8, 2011 at 7:17am closed account (zb0S216C) Is it possible to delete a class member that allocates heap memory using the "this" pointer?. Take the following code segment:12345678910111213141516171819202122 class MY_CLASS { // Constructor. MY_CLASS( int nInit ) { // Allocate memory ...
error C2662: 'int Something::getValue(void)': cannot convert 'this' pointer from 'const Something' to 'Something &' error: passing 'const Something' as 'this' argument discards qualifiers [-fpermissive] When we call a non-const member function on a const object, the implicitthisfunction pa...
error C2662, cannot convert ‘this’ pointer from ‘const class ’ to ‘class &’ 看一下导致这个编译错误的例子: class COwnInt { public: int get(); private: int m_n; }; int COwnInt::get() { return m_n; } int main() {
参考文献: 1.Error C2662, cannot convert‘this’ pointer from‘const class’ to‘class &’ clever101#gmail.com 研究方向: 数字图像处理、计算机图形学。
error C2662: ‘void oh_no::non_const(void)’: cannot convert ‘this’ pointer from ‘const oh_no’ to ‘oh_no &’ So it’s trying to pass a const oh_no as the implicit object parameter to non_const, which doesn’t work. But where did that const oh_no come from? The answer ...
A long time ago, in a galaxy far, far away there was a widely used MFC library which had a few classes with methods that compared this pointer to null.
std::enable_shared_from_this<T>实际包含了一个用于指向对象自身的std::weak_ptr<T>指针。引言 本文...
Error C2662, cannot convert ‘this’ pointer from ‘const class ’ to ‘class &’的解决办法。... 是金子就会灿烂 1 8471 相关推荐 SqList class 实现 2007-06-03 01:16 − SqList.h 1 #ifndef SQLIST_H 2 #define SQLIST_H 3 4 //#include 5 6 #defin... 中土 0 4942 C++之...