Added repeating tuple types (#121)

Author: Mogball

lib/wlib/wlib/stl/Tuple.h

@@ -576,6 +576,28 @@ namespace wlp {
         return Tuple<Types &...>(elements...);
     }
 
+    template<typename Type, size_type>
+    struct repeat_tuple_type_hopper {
+        typedef Type type;
+    };
+
+    template<typename, typename>
+    struct repeat_tuple_type_sub;
+
+    template<typename Type, size_type ...Indices>
+    struct repeat_tuple_type_sub<Type, IndexSequence<Indices...>> {
+        using type = Tuple<typename repeat_tuple_type_hopper<Type, Indices>::type...>;
+    };
+
+    template<typename Type, size_type Repeat>
+    struct repeat_tuple_type {
+        using Sequence = typename MakeIndexSequence<Repeat>::type;
+        typedef typename repeat_tuple_type_sub<Type, Sequence>::type type;
+    };
+
+    template<typename Type, size_type Repeat>
+    using RepeatTuple = typename repeat_tuple_type<Type, Repeat>::type;
+
     /**
      * Undefined base type for type at tuple.
      */
@@ -765,7 +787,6 @@ namespace wlp {
         );
     };
 
-
 }
 
 #endif //EMBEDDEDCPLUSPLUS_TUPLE_H

tests/stl/tuple_check.cpp

@@ -139,3 +139,22 @@ TEST(tuple_test, test_tuple_tie) {
     ASSERT_EQ('g', c);
     ASSERT_DOUBLE_EQ(66.55, d);
 }
+
+TEST(tuple_test, test_repeat_tuple_size) {
+    RepeatTuple<int, 5> rt_1;
+    size_type value = tuple_size<decltype(rt_1)>::value;
+    ASSERT_EQ(value, 5);
+    ASSERT_NE(value, 6);
+    RepeatTuple<int, 6> rt_2;
+    value = tuple_size<decltype(rt_2)>::value;
+    ASSERT_EQ(value, 6);
+    ASSERT_NE(value, 5);
+}
+
+TEST(tuple_test, test_repeat_tuple_values) {
+    RepeatTuple<bool, 4> rt_1 = make_tuple(true, false, false, true);
+    ASSERT_TRUE(get<0>(rt_1));
+    ASSERT_FALSE(get<1>(rt_1));
+    ASSERT_FALSE(get<2>(rt_1));
+    ASSERT_TRUE(get<3>(rt_1));
+}