Add rcp::create()

include/rcp.h

@@ -104,6 +104,12 @@ public:
     {
         return ptr != nullptr;
     }
+
+    template <typename... Args>
+    static rcp<T> create(Args&&... args)
+    {
+        return T::create(std::forward<Args>(args)...);
+    }
 };
 
 #define rcp_managed_root(classname) \

test/tests.cpp

@@ -77,10 +77,18 @@ void test_booleans()
     assert(!myderived);
 }
 
+void test_create()
+{
+    typedef rcp<MyBase> MyB;
+    MyB myb = MyB::create(8, 9);
+    assert(myb->x == 8);
+}
+
 int main(int argc, char * argv[])
 {
     test_destructors_called();
     test_dereference();
     test_booleans();
+    test_create();
     return 0;
 }