Added static_assert for better error if from_string is called with an invalid type.

include/vulkan/vulkan_from_string.hpp

@@ -14,11 +14,10 @@
 
 namespace VULKAN_HPP_NAMESPACE
 {
-
+#define VULKAN_HPP_ENUM_FROM_STRING_STORAGE                                                   \
-#define VULKAN_HPP_ENUM_FROM_STRING_STORAGE                                                            \
+  namespace VULKAN_HPP_NAMESPACE                                                              \
-  namespace VULKAN_HPP_NAMESPACE                                                                       \
+  {                                                                                           \
-  {                                                                                                    \
+    VULKAN_HPP_STORAGE_API const ::VULKAN_HPP_NAMESPACE::EnumFromStringMap enumFromStringMap; \
-    VULKAN_HPP_STORAGE_API ::VULKAN_HPP_NAMESPACE::DispatchLoaderDynamic defaultDispatchLoaderDynamic; \
   }
 
   //=========================
@@ -4402,7 +4401,10 @@ namespace VULKAN_HPP_NAMESPACE
   VULKAN_HPP_STORAGE_API extern const EnumFromStringMap enumFromStringMap;
 
   template <typename TEnum>
-  std::optional<TEnum> from_string( const std::string & );
+  std::optional<TEnum> from_string( const std::string & )
+  {
+      static_assert(false, "Not a Vulkan enum type.");
+  }
 
   //=== VK_VERSION_1_0 ===