by: mescaline |
last post by:
//Consider the simple program with inheritance, plain init for A, copy ctr for B
#include <iostream>
using namespace std;
class Base{
public:
Base(){cout << "Base, default" << endl;}...
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by: rKrishna |
last post by:
I was trying to understand the real need for copy constructors. From
literature, the main reason for redfinition of copy constructor in a
program is to allow deep copying; meaning ability to make...
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by: nagrik |
last post by:
Hello group,
Last week I picked up a thread, which pointed out that if a copy
constructor is created with pointers
instead of reference, there is a danger of it going in infinite
recursion.
...
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by: blangela |
last post by:
2.0 Sample Code
class ABC // dummy class used below
{};
class Example2
{
public:
Example2(); // default ctor
Example2( const Example2 &); // copy ctor
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by: blangela |
last post by:
3.0 Advanced Topic Addendum
There are a few cases where the C++ compiler cannot provide an
overloaded assignment operator for your class. If your class contains
a const member or/and a...
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by: campos |
last post by:
"Effective C++ 3rd Edition" Item 6, P39
-------------------------------------------------------
class Uncopyable {
protected: // allow construction
Uncopyable() {} // and...
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by: subramanian100in |
last post by:
If we provide any ctor for a class the compiler does not supply the
default ctor.
However if we do not provide the copy ctor but provide any other ctor,
the compiler still supplies the copy ctor....
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by: Subramanian India |
last post by:
If we do not provide any ctor for a class, the compiler provides the default ctor and copy ctor if needed.
Consider a class Test.
Suppose we provide some ctor in class Test but do not provide the...
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by: puzzlecracker |
last post by:
From my understanding, if you declare any sort of constructors,
(excluding copy ctor), the default will not be included by default. Is
this correct?
class Foo{
public:
Foo(int); // no...
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by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
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by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
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by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
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by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
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by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
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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,...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
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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,...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
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