c++ fonksion pointer
#include <stdio.h>
int f1(int x) { return x * 2; }
int f2(int x) { return x * 4; }
int main()
{
int (*fptr1)(int) = &f1;
fptr1 = &f2;
fptr1(3);
}c++ fonksion pointer
#include <stdio.h>
int f1(int x) { return x * 2; }
int f2(int x) { return x * 4; }
int main()
{
int (*fptr1)(int) = &f1;
fptr1 = &f2;
fptr1(3);
}pointers in c++
void simple_pointer_examples() {
int a; // a can contain an integer
int* x; // x can contain the memory address of an integer.
char* y; // y can contain the memory address of a char.
Foo* z; // z can contain the memory address of a Foo object.
a = 10;
x = &a; // '&a' extracts address of a
std::cout << x << std::endl; // memory address of a => 0x7ffe9e25bffc
std::cout << *x << std::endl; // value of a => 10
}Copyright © 2021 Codeinu
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