c templated friend class. Ask Question 4. 1. I'm trying to write an implementation of a 234 tree in c. I'm it's been a while since I've used templates, and I'm getting some errors. template friend class TwoThreeFourTree; share improve this answer. answered Nov 27 '09 at 20: 43. Charles Salvia Charles Salvia. 42. 2k 10 107 135. template class friend c++ declare template friend function of template class. Browse other questions tagged c templates c11 friend or ask your own question. asked. 5 years, 4 months ago. viewed. 20, 318 times Template friend function of template class that introduces a new template parameter. 2.
C Template Classes and Friend Function Details Introduction. When writing C, there are a couple common situations where you may want to create a friend function, such as implementing operator. These are straightforward to write for nontemplate classes, but templates throw a template class friend c++
Aug 30, 2011 friends of template classes I guess putting a friend in a template class and giving it a template argument is not enough for compiler to figure out that f is a template function. You also learned that C will do silly things for you without any good reason and without telling you how to template class BE template friend class BT; ; Is not allowed because template parameters cannot shadow each other. Nested templates must have different template C11: The second form does not introduce a new class; it can be used when the class has already been declared, and it must be used when declaring a template type parameter or a typedef as a friend. Use class friend F when the referenced type has not yet been declared: template class friend c++ template friend class foo this will however make all templates friends to each other. But I think this is what you want? share In C11 you need to read the Friends section in Muhammad Aladdin Apr 4 '14 at 13: 37. add a comment Your Answer. Thanks for contributing an answer to Stack Overflow! Please be sure to answer Declaring a friend function which is not a template, inside a class template, still declares a nontemplate function in the namespace. It is neither a member of the class, nor itself a template. However, it is generated by the class template. Generating nontemplate functions from a template is a bit hazy. Apr 24, 2006 template friend class bigint; now I cannot do this without specifing the specialization. And what is more code like friend class bigint; (for size begin template parametr in the class itself) works fine. And besides it is strange to omit this if we specify for which parameters this should be specialized.