Helper operator+ to join arrays

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/collections.hpp b/lib/collections.hpp
new file mode 100644
index 0000000..ad4d947
--- /dev/null
+++ b/lib/collections.hpp
@@ -0,0 +1,14 @@
+#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;
+}