шаблоны-с++

In pursuit of the question of function overloading: C++ Using function overloading, write a program for calculating the prod ... ade function overloading unnecessary (in C++)? Or are there still options where templates can't replace function overloading?

To use a template class defined in the .cpp file, you can explicitly instantiate this class: template<typename T> stru ... iating it, everything works without errors, but without explicitly instantiating the function, its use gives a linking error.

There is a doubly linked list, you need to make a template for it so that you can interact with different types of data, tell ... v->next = NULL; pv->prev = NULL; return pv; }; Underscores Node* with error: missing argument list for "Node".

There is a structure template template<typename T> struct spec { T* values; int size = 0; }; You need to make ... ze] = val; st->size = st->size + 1; } But the error is отсутствует список аргументов для параметр шаблона template

Is there any way, using array (int, N) name; to enter the size of the array (N)from the keyboard?

How to choose a value for basic types int32_t, int8_t etc. for a template class? That is, that the const bool is_empty() con ... gt; inline const bool point_base<__type>::is_empty() const noexcept { // выполнить проверку что значение нулевое }

What is the difference between the following two ways of passing parameters? template <typename ...Args> smth(Args &am ... (args...) {} template <typename ...Args> smth(Args &&...args) : base(std::forward<Args>(args)...) {}

There is a method void SortVector(vector<int>& vec, int topV, bool wozrastanie) I want to make it a template to ... vec, int topV, bool wozrastanie) Is it possible to solve the problem without rewriting the same method for each container?

How do I move a template class method from a header to a cpp ?

Please tell me, is it correct in C++ to make a class template that has virtual methods? Especially, purely virtual ones: te ... l behave correctly. Especially when inheriting in different translation units. Say what Стандарт says about this about what?

Consider the following code: class A { public: using Uptr = std::unique_ptr<A>; }; class B { public: A ... T> class B { public: A<T>::Uptr a;// Error }; Tell me why this is happening, and what can be done about it?

Hello, I'm trying to fill out a list of lists, but an error pops up. There are 2 lists available: struct Lst_Paths { char ... at prevents entering this function 3 times. But the error remained, I do not know what to do. Please do not offer STL lists.

There is a template function: template <class T1, class T2> void function(T1 a, T1 b, T2 c) { ... } It is required ... ns an error. As I understand it, it's the second parameter of the template. You need to somehow also give it a default value.

What is a template in C++? For what purposes is it used? How is it used? - It would be desirable to use an example.

I make a universal container template to store objects not only in memory and to work with 'Range-based for loop' (that is, i ... emoryContainer<int, int> container; IContainer<int, int> *_container1 = new MemoryContainer<int, int>(); }

Here is a simple function template that returns a doubled value. But I can only write numbers to the parameters? (int, double ... ate< class TYPE > void PrintTwice(TYPE data) { cout << "Double meaning: " << data * 2 << endl; }

How to write the function test correctly, so that it can pass any of the functions f and g as an argument (or a template para ... ^ prog.cpp: In function 'int main()': prog.cpp:26:8: error: 'test' was not declared in this scope test(f); ^

This is a sample code from the site cppreference.com. Which of the three options for enabling overloaded foo options is prefe ... бка времени компиляции foo2(7); // OK // A<int> a1; // ошибка времени компиляции A<double> a1; // OK }

How do I pass a template as a parameter to another template? template < typename T > struct A{}; template < templ ... se different template specializations in the template, but the compiler only allows you to insert the{[2] class itself]}