Forward declaration friend
1473
When can I use a forward declaration?
129192
To friend vs. to befriend
134664
Perfect forwarding for void and non-void returning functions
38290
Mentioning future work, that is now complete
98415
Getting Acquaintances to become Friends
145142
How to make forward-word, backward-word, treat underscore as part of a word?
146355
Can I convert a reverse iterator to a forward iterator?
58024
How do you mark a struct template as friend?
80290
Simple Present for Future Actions
125535
How do I fix this "identifier is not declared in the current scope" error?
148364
Should I notify people I mention in the acknowledgements section?
127172
Why is template argument deduction disabled with std::forward?
41086
How can I forward delete on iOS?
33009
Can I use ufw to setup a port forward?
83410
Forward declare a type - what is the reason behind this
15867
] inside an optional argument
86064
Argument completions for user-defined functions