All Questions
Tagged with operators operator-overloading
413
questions
0
votes
1
answer
61
views
How to Implement operator-> for a Custom UniquePtr Class in C++? [duplicate]
I am trying to write my own implementation of unique_ptr in C++, and here is my UniquePtr header file:
#include <iostream>
template <typename T>
class UniquePtr
{
T* ptr;
public:
...
- 21
0
votes
1
answer
39
views
Remove boilerplate code when writing operator overloads
When I made my vector3 struct I noticed the operator functions were almost identical to eachother
vector3 vector3::operator+(float scalar) const {
return vector3(x + scalar, y + scalar, z + ...
2
votes
1
answer
121
views
What does `operator () { ... }` do in Dart?
Here is a simple dart class:
class MyOperatorClass {
int operator () {
return 5;
}
}
I noticed today that this compiles without any issues. This led me to wonder, what does operator ()...
- 327
1
vote
1
answer
85
views
operator<< for enum class just doesn't work
I have the following code:
logging.hxx
#include <iostream>
#include <string>
#include <sstream>
#include "singleton.hxx"
#include "utils.hxx"
class FGaugeLogger:...
- 5,914
-1
votes
1
answer
233
views
How to overload the subscript operator in C++? [duplicate]
I'm working on a C++ project and I need to implement subscript operator overloading for a class. Specifically, I want to be able to use the square bracket notation ([]) on an object of my class to ...
-3
votes
1
answer
81
views
trying to make a vector library ? But stuck in overloading of = operator
I am trying to buld the vector library . The code looks like this
#include <iostream>
#include <string>
namespace std
{
template<typename T>
class vector
{
private:
...
0
votes
1
answer
41
views
Cannot implement a custom operator via pattern matching
Basically, I need a function that accepts two lists and attempts to return a 2-list containing the head elements of both the input lists. Couple of corner cases: if both input lists are empty, the ...
- 929
0
votes
1
answer
102
views
How can time.Duration use operators in Go?
from my understanding operators are only defined for builtin types and can't be defined for user types so:
a := 1
b := 2
c := a + b // possible
but as soon as you define your own types you need to do:...
- 1,514
0
votes
0
answers
176
views
<=> operator overloading compare two vectors
I am attempting to implement overloading for the <=> operator for my Vector class. I have defined the operator in the header file (.h), but when I try to implement it in the source file (.cpp), ...
- 277
0
votes
2
answers
304
views
Are operators in C implemented as functions like C++?
I was reading a tutorial on operator overloading in C++ when I saw this:
In C++, operators are implemented as functions. By using function overloading on the operator functions, you can define your ...
- 47
-2
votes
3
answers
297
views
How does this overloading of square brackets work [duplicate]
I want to avoid printing space (" ") or an underscore ("_") after the last element of an array while printing them using a for loop. The problem mentions one of the way to do so, I ...
0
votes
0
answers
31
views
The operator+ overloading unwanted side effect [duplicate]
Tried to overload operator+ but looks like there is an unwanted side effect, it modifies one of the arguments. How am I supposed to do it?
#include <iostream>
#include <string>
#include &...
- 6,019
1
vote
5
answers
243
views
In C#, How can I create or overload an assignment operator to possibly assign two values at once?
This is probably a stupid question, but just in case....
We have a 3rd party package with weird models like:
public partial class CountingDevice
{
public int countingDeviceNo { get; set; }
...
- 2,257
2
votes
2
answers
243
views
Best way to use += (add and assign) and -= (subtract and assign) operators on generic type without having to check for type
My application uses objects of type Tag<T> where the Tag property Value is of type T. The application interprets a custom script language into C#. I can assign Tag Value after the interpretation ...
- 21
2
votes
2
answers
222
views
Why does C++ let you overload the * and -> operators separately?
Given that the * operator returns a reference to the object, and since -> is basically a shorthand for (*a).b, why does C++ define a separate overload? To me it seems like you would want to keep * ...
- 413