Extract type map setup in another method to make the code clearer.

src/Generator/Types/TypeMap.cs

@@ -80,7 +80,12 @@ namespace Cxxi.Types
             foreach (var assembly in loadedAssemblies)
             {
                 var types = assembly.FindDerivedTypes(typeof(TypeMap));
+                SetupTypeMaps(types);
+            }
+        }
 
+        private void SetupTypeMaps(IEnumerable<System.Type> types)
+        {
             foreach (var typeMap in types)
             {
                 var attrs = typeMap.GetCustomAttributes<TypeMapAttribute>();
@@ -93,7 +98,6 @@ namespace Cxxi.Types
                 }
             }
         }
-        }
 
         public bool FindTypeMap(string name, out TypeMap typeMap)
         {