syntax - What does '&' do in a C++ declaration? - Stack Overflow
The "&" denotes a reference instead of a pointer to an object (In your case a constant reference). The advantage of having a function such as
What does the |= operator mean in C++? - Stack Overflow
Jan 18, 2012 · Assuming you are using built-in operators on integers, or sanely overloaded operators for user-defined classes, these are the same:
Using :: (scope resolution operator) in C++ - Stack Overflow
You're pretty much right about cout and cin.They are objects (not functions) defined inside the std namespace. . Here are their declarations as defined by the C++ stand
How does the % operator (modulo, remainder) work?
Oct 2, 2024 · You can think of the modulus operator as giving you a remainder. count % 6 divides 6 out of count as many times as it can and gives you a remainder from 0 to 5 (These are all …
c++ - What is the difference between the dot (.) operator and ...
doesn't it bother that -> is a drill down operator, and thus if overloaded it is not equivalent to member of the derefenced object (*boo).foo ? as if boo->foo may be overloaded to return an …
Proper way to initialize C++ structs - Stack Overflow
Jan 21, 2017 · Our code involves a POD (Plain Old Datastructure) struct (it is a basic c++ struct that has other structs and POD variables in it that needs to get initialized in the beginning.) …
how does the ampersand (&) sign work in c++? [duplicate]
The & has more the one meanings:. 1) take the address of a variable. int x; void* p = &x; //p will now point to x, as &x is the address of x
In c++ what does a tilde "~" before a function name signify?
It's the destructor, it destroys the instance, frees up memory, etc. etc. Here's a description from ibm.com: ...
What is the meaning of prepended double colon - Stack Overflow
I found this line of a code in a class which I have to modify: ::Configuration * tmpCo = m_configurationDB;//pointer to current db and I don't know what exactly means the double …
What is the <=> ("spaceship", three-way comparison) operator in …
On 2017-11-11, the ISO C++ committee adopted Herb Sutter's proposal for the <=> "spaceship" three-way comparison operator as one of the new features that were added to C++20.