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by: Kelly Mandrake |
last post by:
I've implemented a class with operator+ overloaded and I also provided
my own copy constructor; The problem is my copy constructor is being
called twise and I dont understand why. I believe the copy constructor
is being called when I add the two class objects. But if this is so,
then why because I have overloaded the + operator should I not get the
result from that and not from copy constructor?
I have the following:
int main(int...
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by: ambar.shome |
last post by:
Dear All,
Whats the difference between a copy constructor and assignment
operator. We can assign the values of member variables of one object to
another object of same type using both of them. Then where is the
difference?
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by: pauldepstein |
last post by:
A book I have describes a class called vector.
It then explains (and I understand) the concept of a copy constructor,
which is needed to interpret statements like
vector b = a;
But then I get confused when it speaks of overloading =, and explains
that this concept is needed to interpret statements like b = a;
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by: sd2004 |
last post by:
could someone please show/help me to copy all element from "class dog"
to "class new_dog" ?
Note: "class new_dog" has new element "age" which should have value
"my_age"
/////////////////////////////// source code
///////////////////////////////
#include<iostream>
#include <string>
#include<vector>
#include<sstream>
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by: utab |
last post by:
Dear all,
So passing and returning a class object is the time when to include the
definition of the copy constructor into the class definition. But if we
don't call by value or return by value, we do not need to use the
copy-constructor. So depending on the above reasoning I can avoid call
by value and return by value for class objects, this bypasses the
problem or it seems to me like that.
Could any one give me some simple examples...
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by: clicwar |
last post by:
A simple program with operator overloading and copy constructor:
#include <iostream>
#include <string>
using namespace std;
class Vector {
private:
float x,y;
public:
Vector(float u, float v);
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by: subramanian100in |
last post by:
consider the following program:
#include <iostream>
using namespace std;
class Test
{
public:
Test(int xx) : x(xx) { cout << x << endl; }
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by: Nikhil.S.Ketkar |
last post by:
Hi,
Does the following construct qualify as overloading on return type ?
If not, in what way ? I overloaded the type conversion operator and
used pointers to member functions. Its pretty straightforward but I
am sure I have missed as this is not supposed to be possible. Am I
misunderstanding overloading ?
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by: sanjay |
last post by:
Hi All,
I have a doubt in understanding the output of the following program
that i executed on my system. I was using DevC++ IDE which uses minGW
based compiler.
----------------------------------------------
#include <iostream>
using namespace std;
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
|
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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