Add headers for future example

Examples/cartesian_prod.cpp

-#include <array>
-#include <iostream>
-#include <list>
-#include <ranges/v3/view/cartesian_product.hpp>
-#include <ranges>
-#include <string>
-#include <vector>
-
-namespace stdexp = std::experimental;
-
-void print(std::tuple<char const&, int const&, std::string const&> t, int pos) {
-    const auto& [a, b, c] = t;
-    std::cout << '(' << a << ' ' << b << ' ' << c << ')' << (pos % 4 ? " " : "\n");
-}
-
-int main() {
-    const auto x = std::array{'A', 'B'};
-    const auto y = std::vector{1, 2, 3};
-    const auto z = std::list<std::string>{"α", "β", "γ", "δ"};
-
-    for (int i{1}; auto const& tuple : stdexp::views::cartesian_product(x, y, z))
-        print(tuple, i++);
-}
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Examples/future.cpp

+#include <array>
+#include <iostream>
+#include <ranges>
+#include <vector>
+
+// Experimental CPP features
+#include "includes/cartesian_product.hpp"
+#include "includes/mdspan.hpp"
+
+constexpr int dim_x = 5;
+constexpr int dim_y = 5;
+
+int main() {
+    std::array<float, dim_x * dim_y> data{0};
+
+    auto xs = std::views::iota(0, dim_x);
+    auto ys = std::views::iota(0, dim_y);
+
+    auto idxs = std::views::cartesian_product(xs, ys);
+
+    auto md = std::experimental::mdspan{data.data(), dim_x, dim_y};
+
+    std::for_each(idxs.begin(), idxs.end(), [&md](auto tup) {
+        const auto& [x, y] = tup;
+        std::cout << x << "," << y << std::endl;
+    });
+
+    std::cout << "\n";
+}
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Examples/makefile

+.PHONY:clean all
+
+INCLUDES_WARNINGS:=--diag_suppress useless_using_declaration
+
+all: artefacts/future
+
+artefacts/future: artefacts/future.o
+	nvc++ $^ -o $@
+
+artefacts/%.o: %.cpp
+	nvc++ --std=c++23 $(INCLUDES_WARNINGS) -c $^ -o $@
+
+clean:
+	rm -vf artefacts/**
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Examples/mdspan.cpp

-#include <experimental/mdspan>
-#include <iostream>
-namespace stdex = std::experimental;
-int main() {
-    std::array d{
-        0,
-        5,
-        1,
-        3,
-        8,
-        4,
-        2,
-        7,
-        6,
-    };
-
-    stdex::mdspan m{d.data(), stdex::extents{3, 3}};
-    static_assert(m.rank() == 2, "Rank is two");
-    for (std::size_t i = 0; i < m.extent(0); ++i)
-        for (std::size_t j = 0; j < m.extent(1); ++j)
-            std::cout << "m(" << i << ", " << j << ") == " << m(i, j) << "\n";
-    return 0;
-}
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