Top "Return-by-reference" questions

How to return a class object by reference in C++?

I have a class called Object which stores some data. I would like to return it by reference using a …

c++ reference segmentation-fault return-by-reference
C++ Return value, reference, const reference

Can you explain to me the difference between returning value, reference to value, and const reference to value? Value: Vector2…

c++ reference const-reference return-by-reference return-by-value
Prefix/Postfix increment operators

I'm wanting to make sure I understand pass-by-value vs pass-by-reference properly. In particular, I'm looking at the prefix/postfix versions …

c++ increment return-by-reference
What does "int& foo()" mean in C++?

While reading this explanation on lvalues and rvalues, these lines of code stuck out to me: int& foo(); foo() = 42; // …

c++ function return-by-reference
C++: returning by reference and copy constructors

References in C++ are baffling me. :) The basic idea is that I'm trying to return an object from a function. …

c++ reference return-value-optimization return-by-reference
Operator overloading C++ reference or value

I've seen many tutorials and tried to find the answer on stackoverflow but with no success. What I'm not sure …

c++ c++11 operator-overloading return-by-reference return-by-value
C++ return by reference and return by const-reference value is copied

I have some questions about returing a reference of a class member variable. I have the following code: #include <…

c++ reference return const-reference return-by-reference
Why is returning a reference to a function local value not a compile error?

The following code invokes undefined behaviour. int& foo() { int bar = 1234; return bar; } g++ issues a warning: warning: reference to …

c++ return-by-reference