DVMirchev

std :: vector < int > vec {2, 5, 3, 1, 4};
std :: sort (vec.begin () vec.end ());   
std :: sort (vec);                 

DVMirchev

std::vector<int> vi{ 1,2,3,4,5,6,7,8,9,10 };
using namespace ranges;

// we combine two views - remove_if and transform to produce a new composition
 auto evensToStrings = view::remove_if([](int i) {return i % 2 == 1; })
                     | view::transform([](int i) {return std::to_string(i); });

// than we applay the new compositon to the range, currently a vector
auto rng = vi | evensToStrings;

DVMirchev

template<class InputIt, class T>
T accumulate(InputIt first, InputIt last, T init)
{
    for (; first != last; ++first) {
        init = init + *first;
    }
    return init;
}

template<class InputIt, class T, class BinaryOperation>

DVMirchev

#include <iostream>
#include <functional>

using signa = bool(void *);
using functo_signa = std::function<bool(void *, int)>;

template <typename Signature>
struct wrapper;

template <typename Ret, typename... Args>