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by: Dave Theese |
last post by:
Hello all,
I'm trying to get a grasp of the difference between specializing a function
template and overloading it. The example below has a primary template, a
specialization and an overload. Note that the overload is identical to the
specialization except, of course, for the missing "template <>".
I don't know if my questions will be a bit too broad or not, but I thought
I'd give it shot... When is overloading preferable to...
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by: |
last post by:
Hi all,
I've been using C++ for quite a while now and I've come to the point where I need to overload new
and delete inorder to track memory and probably some profiling stuff too. I know that discussions of
new and delete is a pretty damn involved process but I'll try to stick to the main information I'm looking for
currently. I've searched around for about the last too weeks and have read up on new and overloading it to
some extent but...
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by: Pmb |
last post by:
I've been working on creating a Complex class for my own learning purpose
(learn through doing etc.). I'm once again puzzled about something. I can't
figure out how to overload the assignment operator.
Here's what I'm trying to do. I've defined class Complex as
class Complex {
friend ostream &operator<<( ostream &, Complex & );
public:
Complex( float = 0.0, float = 0.0 );
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by: gorda |
last post by:
Hello,
I am playing around with operator overloading and inheritence,
specifically overloading the + operator in the base class and its
derived class.
The structure is simple: the base class has two int memebers "dataA",
"dataB". The derived class has an additional int member "dataC". I am
simply trying to overload the + operator so that 'adding' two objects
will sum up the corresponding int members.
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by: pmatos |
last post by:
Hi all,
I'm overloading operator<< for a lot of classes. The question is about
style. I define in each class header the prototype of the overloading
as a friend. Now, where should I define the overloading of operator<<.
In the .cc of the respective class or in a file where I am overloading
operator<< for all classes?
Cheers,
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by: luca regini |
last post by:
I have this code
class M
{
.....
T operator()( size_t x, size_t y ) const
{ ... Operator overloading A ....}
T& operator()( size_t x, size_t y )
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by: Jerry Fleming |
last post by:
As I am newbie to C++, I am confused by the overloading issues. Everyone
says that the four operators can only be overloaded with class member
functions instead of global (friend) functions: (), , ->, =. I wonder
why there is such a restriction.
Some tutorials say that 'new' and 'delete' can only be overloaded with
static member functions, others say that all overloading function should
be non-static. Then what is the fact, and why?
...
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by: y-man |
last post by:
Hi,
I am trying to get an overloaded operator to work inside the class it
works on. The situation is something like this:
main.cc:
#include "object.hh"
#include "somefile.hh"
object obj, obj2 ;
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by: sturlamolden |
last post by:
Python allows the binding behaviour to be defined for descriptors,
using the __set__ and __get__ methods. I think it would be a major
advantage if this could be generalized to any object, by allowing the
assignment operator (=) to be overloaded.
One particular use for this would be to implement "lazy evaluation".
For example it would allow us to get rid of all the temporary arrays
produced by NumPy.
For example, consider the...
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by: Wayne Shu |
last post by:
Hi everyone, I am reading B.S. 's TC++PL (special edition).
When I read chapter 11 Operator Overloading, I have two questions.
1. In subsection 11.2.2 paragraph 1, B.S. wrote "In particular,
operator =, operator, operator(), and operator-must be nonstatic
member function; this ensures that their first operands will be
lvalues". I know that these operators must be nonstatic member
functions, but why this ensure their first operands will...
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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: jinu1996 |
last post by:
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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: 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 protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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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: 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: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: bsmnconsultancy |
last post by:
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