Linked Questions
12 questions linked to/from Overloading ++ for both pre and post increment
2493 votes
10 answers
1.1m views
What are the basic rules and idioms for operator overloading?
Note: The answers were given in a specific order, and have received varying amounts of votes over time. Since the order of answers depends on your answer sorting preferences, here's an index of the ...
8 votes
3 answers
6k views
What is the difference between operator++ () and operator++ (int)? [duplicate]
I have these code of lines from a program my teacher made : TimeKeeper& operator++() { d_seconds++; return *this; } const TimeKeeper operator++(int) { TimeKeeper tk(*...
1 vote
2 answers
818 views
How compiler differentiate pre-increment operator function & post-increment operator function in operator overloading in c++? [duplicate]
As we know to differentiate between pre-increment & post-increment operator function, we use a dummy argument in post-increment operator function. But how the compiler INTERNALLY differentiate ...
-1 votes
2 answers
317 views
unary operator overloading c++ [duplicate]
I'm having trouble with the unary ++ overloaded operator. Here is my code... #include<iostream> using namespace std; class Index{ int value; public: Index() : value(0) { } ...
0 votes
1 answer
93 views
Overloaded ++ operator only works from left side (C++) [duplicate]
#include <iostream> enum class Color { RED, GREEN }; Color& operator++(Color& source) { switch (source) { case Color::RED: return source = Color::GREEN; case ...
-2 votes
1 answer
83 views
I was doing code on operator overloading . while i encoutered a strange behaviour can any one explain it? [duplicate]
** Pre Increment ** #include <iostream> using namespace std; class demo { int i; public: demo (int b = 0) { i = b; } void display() { cout<<"Number ...
0 votes
1 answer
60 views
how to distinguish among two similar operator overloading in C++ [duplicate]
I have this piece of C++ code to overload the pre-increment and post-increment operators. The only difference between those methods is the number of their arguments. I want to know how C++ understands ...
2 votes
6 answers
5k views
How Reverse Iterator in C++ works
am beginner to c++ and i want to know how operator ++ moves iterator backward. As i know iterator.begin() and iterator.end() returns pointer to fist index and last index respectively. vector<int&...
4 votes
2 answers
440 views
Overloaded operator in derived class
I am studying Lafore's 4th editing of C++ book and I am stuck with this problem. I have these two classes, CountDn derives from Counter. In CountDn I want to overload the prefix for decrement operator ...
0 votes
1 answer
448 views
Is in operator overloading the left side of the operator is implicitly passed to function?
I Have some doubt in operator overloading in c++. #include<iostream> using namespace std; class ex { int i; public: ex(){} void operator+(ex ob); void seti(int x); int geti(...
1 vote
1 answer
120 views
x++ for object in C++
When writing f(x++), we mean f(x);++x; Yet the operator for an object is usually written as foo operator++(int) { foo temp = *this; ++*this; return temp; } Can I make it works like const ...
1 vote
0 answers
48 views
MSVC error C4172 when overloading post-increment operator [duplicate]
I'm using Visual Studio 2015 Update 3 and encountered the following warning while writing a simple class which basically is just a wrapper around an int. The example below is not the actual class but ...