fable: Forward-declare make_prototype<> in interface.hpp

Author: cassava

fable/include/fable/schema/confable.hpp

@@ -36,7 +36,6 @@ namespace fable {
 
 // Forward declarations:
 class Confable;
-class Schema;
 
 namespace schema {
 

fable/include/fable/schema/interface.hpp

@@ -34,6 +34,10 @@
 #include <fable/json.hpp>   // for Json
 
 namespace fable {
+
+// Forward declarations:
+class Confable;
+
 namespace schema {
 
 /**
@@ -349,6 +353,14 @@ class Base : public Interface {
   std::string desc_{};
 };
 
+// ------------------------------------------------------------------------- //
+
+template <typename T, std::enable_if_t<std::is_base_of<Confable, T>::value, int> = 0>
+auto make_prototype(std::string&& desc = "");
+
+template <typename T, std::enable_if_t<!std::is_base_of<Confable, T>::value, int> = 0>
+auto make_prototype(std::string&& desc = "");
+
 }  // namespace schema
 }  // namespace fable
 

fable/include/fable/schema/magic.hpp

@@ -55,12 +55,6 @@ class Confable;
 
 namespace schema {
 
-template <typename T, std::enable_if_t<std::is_base_of<Confable, T>::value, int> = 0>
-auto make_prototype(std::string&& desc = "");
-
-template <typename T, std::enable_if_t<!std::is_base_of<Confable, T>::value, int> = 0>
-auto make_prototype(std::string&& desc = "");
-
 template <typename T, typename P>
 Array<T, P>::Array(std::vector<T>* ptr, std::string&& desc)
     : Array<T, P>(ptr, make_prototype<T>(), std::move(desc)) {}