Reduces amount of macros user has to define to use custom map types.

Author: JustCallMeRay

CXXGraphConfig.h.in

@@ -3,33 +3,27 @@
 #define CXXGraph_VERSION_MINOR @CXXGraph_VERSION_MINOR@
 #define CXXGraph_VERSION_PATCH @CXXGraph_VERSION_PATCH@
 
-#include <string_view>
-
-#if defined(CXXGraph_CUSTOM_MAP) || defined(CXXGraph_CUSTOM_MAP_HEADER)
+#pragma once
+#if defined(CXXGraph_CUSTOM_MAP_HEADER)
 //  Very custom types, not explictly supported. 
 //   Should be usable as a replacement std::unordered_map and set.
-#   if !__has_include( CXXGraph_CUSTOM_MAP_HEADER )
-#       error "CXXGraph_CUSTOM_MAP is defined but CXXGraph_CUSTOM_MAP_HEADER is not valid"
-#   elif !defined(CXXGraph_CUSTOM_MAP)
-#       error "CXXGraph_CUSTOM_MAP is defined but CXXGraph_CUSTOM_MAP is not set."
+#   if defined(CXXGraph_NO_CUSTOM_MAP_HEADER_INCLUDE)
+//  User does not want us to include the custom map header
+//    They might not want to define lots of macros
+//    They will have to do all the includes themselves
+#   elif !__has_include( CXXGraph_CUSTOM_MAP_HEADER )
+#       error "CXXGraph_CUSTOM_MAP_HEADER is defined but is not a valid include path. \
+Use CXXGraph_NO_CUSTOM_MAP_HEADER_INCLUDE to disable this check"
 #   else
+//  If one include is fine, assume the rest are also fine.
 #       include CXXGraph_CUSTOM_MAP_HEADER
 #       include CXXGraph_CUSTOM_SET_HEADER
 #       include CXXGraph_CUSTOM_ORDERED_SET_HEADER
 #       include CXXGraph_CUSTOM_ORDERED_MAP_HEADER
-
-        namespace CXXGraph {
-            template<typename Key, typename Value, typename... Args>
-            using Map = CXXGraph_CUSTOM_MAP<Key, Value, Args...>;
-            template<typename Key, typename Value, typename... Args>
-            using OrderedMap = CXXGraph_CUSTOM_ORDERED_MAP<Key, Value, Args...>;
-            template<typename Key, typename... Args>
-            using OrderedSet = CXXGraph_CUSTOM_ORDERED_SET<Key, Args...>;
-            template<typename Key, typename... Args>
-            using Set = CXXGraph_CUSTOM_SET<Key, Args...>;
-        }
+// Users are expected to declare types in our namespace (saves us gessing what they are) 
 #   endif
 #elif __has_include(<frozen/set.h>)
+// Frozen library is available, use it for better performance
 #   include <frozen/set.h>
 #   include <frozen/unordered_set.h>
 #   include <frozen/unordered_map.h>