Initial commit

unordered_dense/all/test_package/test_package.cpp

@@ -0,0 +1,14 @@
+// sited from https://github.com/martinus/unordered_dense/blob/main/example/main.cpp
+#include <ankerl/unordered_dense.h>
+
+#include <iostream>
+
+auto main() -> int {
+    auto map = ankerl::unordered_dense::map<int, std::string>();
+    map[123] = "hello";
+    map[987] = "world!";
+
+    for (auto const& [key, val] : map) {
+        std::cout << key << " => " << val << std::endl;
+    }
+}