Category "operator-keyword"

Why should I avoid using the increase assignment operator (+=) to create a collection

The increase assignment operator (+=) is often used in [PowerShell] questions and answers at the StackOverflow site to construct a collection objects, e.g.: $C

What does the "operator()..." syntax mean in C++?

I'm trying to understand the example of std::visit from cppreference, Where I saw the following line of code: template<class... Ts> struct overloaded : T

SWI-Prolog: Use operators from modules?

I have a prolog-file (name definitions.pl) of this kind of type: :- module(definitions,[]). :-op(699, xfx, :=). :-op(599, xfy, ∪). C := (A ∪ B) :- u

Python Tkinter GUI Calculator

So I am currently in the process of making a GUI Calculator, but am unsure on how to write code that will perform the operations of the calculator. Right now I

Operator Overloading Test Failure

Build is successful, but the test case #2 keep failing. I don't know what to change or fix. The test program says that Test Case #2 operator <=() FAILED and

C++ Double Address Operator? (&&)

I'm reading STL source code and I have no idea what && address operator is supposed to do. Here is a code example from stl_vector.h: vector& operat