print_test.cpp

#include <iostream>
#include <vector>

using namespace std;

void print() {
    cout << endl;
}

template <typename T>
void print(const T& t) {
    cout << t << endl;
}

// Реализация для вывода вектора
template <typename T>
void print(const std::vector<T>& vec) {
    std::cout << "[ ";
    for (const auto& element : vec) {
        std::cout << element << ", ";
    }
    std::cout << "]";
}


template <typename First, typename... Rest>
void print(const First& first, const Rest&... rest) {
	// print(first)
    cout << first << " ";
    print(rest...); // recursive call using pack expansion syntax
}

int main()
{
    print(); // calls first overload, outputting only a newline
    print(1); // calls second overload

    // these call the third overload, the variadic template,
    // which uses recursion as needed.
    print(10, 20);
    print(100, 200, 300);
    print("first", 2, "third", 3.14159);
    
    std::vector<int> numbers = {1, 2, 3, 4, 5};
    print(numbers);
    print("Vector:", numbers);
    print("Vector:", 232, numbers);
    // print(numbers, numbers);
}