Does a C++ function that returns, but doesn't use, a type need to #include that type?
1473
When can I use a forward declaration?
22559
Can a c++ class include itself as an member?
139592
What exactly is a type cast in C/C++?
130302
What happens if you don't return a value in C++?
104387
Which one is called when existing an extern function with the same name as an inline function?
54530
Are inline virtual functions really a non-sense?
136447
Returning unique_ptr from functions
81421
C++ reference and non reference return of class object- why output same?
126591
Should I return const objects?
96756
Is it a good practice to place C++ definitions in header files?
54580
why do lambda functions in c++11 not have function types?
135939
Is it a good idea to typedef pointers?
24637
Why can't two methods be declared with the same signature even though their return types are different?
5770
C++ "virtual" keyword for functions in derived classes. Is it necessary?
147437
Why no compiler error for main() without a return at the end?
54362
Overriding and return type compatibility
145658
C++11 does not deduce type when std::function or lambda functions are involved