mp: Implement metaprogramming library

tests/CMakeLists.txt

@@ -31,6 +31,7 @@ add_executable(dynarmic_tests
     A64/testenv.h
     fp/unpacked_tests.cpp
     main.cpp
+    mp.cpp
     rand_int.h
 )
 

tests/mp.cpp

@@ -0,0 +1,27 @@
+/* This file is part of the dynarmic project.
+ * Copyright (c) 2018 MerryMage
+ * This software may be used and distributed according to the terms of the GNU
+ * General Public License version 2 or any later version.
+ */
+
+#include <type_traits>
+
+#include "common/mp/cartesian_product.h"
+
+using namespace Dynarmic::Common::mp;
+
+static_assert(
+    std::is_same_v<
+        cartesian_product<list<int, bool>, list<double, float>, list<char, unsigned>>,
+        list<
+            list<int, double, char>,
+            list<int, double, unsigned>,
+            list<int, float, char>,
+            list<int, float, unsigned>,
+            list<bool, double, char>,
+            list<bool, double, unsigned>,
+            list<bool, float, char>,
+            list<bool, float, unsigned>
+        >
+    >
+);