Worked on c++

shenzhen_solitaire/c++/lib/card.cpp

@@ -0,0 +1,15 @@
+#include "card.hpp"
+namespace solitaire {
+auto
+isNormalCardType(CardType type) -> bool {
+  switch (type) {
+  case CardType::Red:
+  case CardType::Green:
+  case CardType::Black:
+    return true;
+    break;
+  default:
+    return false;
+  }
+}
+} // namespace solitaire