friend function in class templates and error LNK2019
1289
Why can templates only be implemented in the header file?
68463
How to resolve the linker error in C++ compiler
48829
Passing a string literal as a type argument to a class template
108848
I'm getting a error when I declare a class as a member of other class. error : a class-key must be used when declaring a friend
100059
Specialization of templated member function in templated class
26571
What was the issue solved by the new "using" syntax for template typedefs?
29761
"Undefined reference to" template class constructor
128686
Using std::bind with member function, use object pointer or not for this argument?
4485
Can I access private members from outside the class without using friends?
23085
Calling "C++" class member function from "C" code
135757
Why do I get a template error if I name my function `swap`, but `Swap` is okay?
2521
Storing C++ template function definitions in a .CPP file
33453
Why do I get "unresolved external symbol" errors when using templates?
20747
Why can't the template argument be deduced when it is used as template parameter to another template?
13910
What are some uses of template template parameters?
81508
error C2679: binary '<<' : no operator found which takes a right-hand operand of type 'std::string' (or there is no acceptable conversion)
119066
How to access private data members outside the class without making "friend"s?