Codechange: make TimerGameCalendar Date and Year types strongly typed (#10761)

src/strings_internal.h

@@ -153,6 +153,12 @@ public:
 		this->parameters[n].string_view = nullptr;
 	}
 
+	template <typename T, std::enable_if_t<std::is_base_of<StrongTypedefBase, T>::value, int> = 0>
+	void SetParam(size_t n, T v)
+	{
+		SetParam(n, static_cast<typename T::BaseType>(v));
+	}
+
 	void SetParam(size_t n, const char *str)
 	{
 		assert(n < this->parameters.size());