class member function

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The pointer to a class member function is not a pointer.

Refer to the relevant chapter of "Pointer to a class member function", which includes the term "class member function", but strictly speaking, the member function here only refers to a non-static member function, this term also contains the term

Call the address of the class member function directly (address of class member function with assembler, different vs version)

In C + +, a pointer to a member function is a very special thing. For a normal function pointer, it can be treated as an address and can be arbitrarily converted and called directly when needed. However, for member functions, general type

[Z] A deep pointer from a class member function

Http://  First look at this piece of code   Class Test{Public:Test (int I) {m_ I = I ;}Test (){};Void Hello (){Printf ("Hello/N ");}PRIVATE:Int m_ I;}; Int main (){Test * P = new test ();P-> Hello ();P =

C ++ pointer to a class member function

Recently, function pointers have been used in development, so I want to sort out the concept of function pointers. O (distinct _ distinct) O ~ First, the function pointer is a pointer to a group of functions of the same type. We can also think

C + + class member function pointer class member data pointer

normal function pointer: "Return_type (*ptr_name) (para_types)"Class member function pointer: "Return_type (class_name::* ptr_name) (para_types)"Class data member pointer: "type class_name::* ptr_name";C + +:1 classDemo2 {3 Public:4Demo ():d ATA ( -

Class Members and class member function pointers for C + +

Class member function pointers:Used to access class member functions, which differ from general function pointers.A class member function handles a class data member, declaring a class member function pointer at the same time, and also pointing out

Implements an array of class member function pointers, __ functions

///to implement an array of class member function pointers, see the code below, and also note that static array members can not declare array size within a class class Cmymath { Public:     int ADD (int A, int b);     int Sub (int a, int b);    

Directly call the class member function address

Abstract: This section describes how to obtain the member function address and call the address. Keyword: C ++ member function this pointer call Convention I. Usage of member function pointers In C ++, the pointer to a member function is special.

Use a class member function as a C callback function __ function

To use a class member function as a C callback function Ask a question:Callback functions are based on the C programming Windows SDK Technology, not for C + +, programmers can be a C function directly as a callback function, but if you try to

Call class member function address directly

One, the use of member function pointers In C + +, a pointer to a member function is a very special thing. For ordinary function pointers, it can be treated as an address and can be arbitrarily converted and invoked when needed. However, for member

A brief analysis of C + + Get class member function address method

A function can be called directly in the C language using the function address:void print () { printf ("function print");} typdef void (*fun) (); Fun F = print;f ();class non-static member functions in C + + must be called through an instance,

Class member function pointer and mem_fun adapter usage

Let's take a look at the simplest function: void foo(int a){ cout Its function pointer type is void (*)(int); We can use this method as follows: void (*pFunc)(int) = &foo;pFunc(123); This is the basic usage of function pointers.  

How does C ++ obtain the class member function address?

In C language, you can use the function address to directly call a function:Void print () {printf ("function print");} typdef void (* fun) (); fun f = print; f ();In C ++, non-static class member functions must be called through instances. In C ++,

Const class member function for "go" C + +

  We know that in C + +, if a variable is declared as a const type, the operation that attempts to modify the value of the variable is considered a compilation error. For exampleConst Char blank='; blank='\ n'; // Error  In object-oriented

Get class member function address __ function with Consortium

Recently learned the principle of plug, mainly some memory operation. And then I found one in the process--the address of a class member function seems to get out of the class directly (except for static functions).I've found an ingenious way to get

C + + Callback class member function implementation

A callback that implements a class member function is not a static function;#ifndef __callback_proxy_h_#define__callback_proxy_h_Templateclassccallbackproxy{typedefvoid(TObject::* cbfun) (tparam*); Public:

How to define and implement a class member function as a callback function?

The callback function is called by the caller. A callback function is a function called by a function pointer. If you pass the pointer (address) of a function as a parameter to another function, when this pointer is used to call the function to

Add a const after a class member function

When looking at the open source code, often see in the class member function after add const, before have not too concerned about, recently idle to have no matter, think of this matter, on-line check a bit, probably understand is how, here quoted

C + + Object-oriented class member function this pointer

Each class member function involves only one object, that is, the object that invokes it. However, sometimes a method might involve two objects, in which case you need to use the this pointer of C + +Assuming that the method is named Topval (), the

Creates a method by which a thread invokes a class member function.

When a class member function creates a thread to invoke another function of a class member, there are two ways to fix it. The first kind is more troublesome,For example, there is a classvoid* Gstartvod (void* pvoid);Class record{Friend void*

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