1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
#pragma once
#include <array>
template<typename T, std::size_t first, std::size_t second>
std::array<T, first + second>
operator+(const std::array<T, first> & a, const std::array<T, second> & b)
{
std::array<T, first + second> r;
auto out = r.begin();
out = std::copy(a.begin(), a.end(), out);
std::copy(b.begin(), b.end(), out);
return r;
}
template<typename T, std::size_t N>
auto
operator*(const std::array<T, N> & in, auto && f)
{
std::array<decltype(f(in[0])), N> out;
for (auto outitr = out.begin(); const auto & v : in) {
*outitr++ = f(v);
}
return out;
}
template<typename T, std::size_t N>
auto &
operator*=(std::array<T, N> & in, auto && f)
{
for (const auto & v : in) {
f(v);
}
}
|
