Handle qualified name failures of VC++, where using templates do not match the fully qualified names of what they alias to (Thanks, VC++)

CONTRIBUTING.md

@@ -13,7 +13,7 @@ The guidelines for reporting a bug are relatively simple and are as follows:
 2. Make a descriptive title that summarises the bug as a whole.
 3. Explain the bug in as much detail as you can in the body of the issue.
 
-If you have all of those requirements set, then your issue reporting is golden. 
+If you have all of those requirements set, then your issue reporting is golden.
 
 ## Submitting a pull request
 

LICENSE.txt

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2013-2016 Rapptz, ThePhD, and contributors
+Copyright (c) 2013-2017 Rapptz, ThePhD, and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in

single.py

@@ -25,7 +25,7 @@ os.chdir(script_path)
 
 intro = """// The MIT License (MIT)
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

single/sol/sol.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -20,8 +20,8 @@
 // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 // This file was generated with a script.
-// Generated 2017-05-09 17:31:19.874339 UTC
-// This header was generated with sol v2.17.2 (revision 8efafca)
+// Generated 2017-05-15 14:41:13.667703 UTC
+// This header was generated with sol v2.17.3 (revision 7eccb58)
 // https://github.com/ThePhD/sol2
 
 #ifndef SOL_SINGLE_INCLUDE_HPP
@@ -2945,6 +2945,12 @@ namespace sol {
 	const nullopt_t nullopt = boost::none;
 #endif // Boost vs. Better optional
 
+	namespace meta {
+		template <typename T>
+		struct is_optional : std::false_type {};
+		template <typename T>
+		struct is_optional<optional<T>> : std::true_type {};
+	} // meta
 } // sol
 
 // end of sol/optional.hpp
@@ -9712,11 +9718,11 @@ namespace sol {
 		call_status err;
 
 		template <typename T>
-		decltype(auto) tagged_get(types<sol::optional<T>>) const {
+		decltype(auto) tagged_get(types<optional<T>>) const {
 			if (!valid()) {
-				return sol::optional<T>(nullopt);
+				return optional<T>(nullopt);
 			}
-			return stack::get<sol::optional<T>>(L, index);
+			return stack::get<optional<T>>(L, index);
 		}
 
 		template <typename T>
@@ -10421,7 +10427,7 @@ namespace sol {
 		template<typename T>
 		decltype(auto) get_or(T&& otherwise) const {
 			typedef decltype(get<T>()) U;
-			sol::optional<U> option = get<sol::optional<U>>();
+			optional<U> option = get<optional<U>>();
 			if (option) {
 				return static_cast<U>(option.value());
 			}
@@ -10430,7 +10436,7 @@ namespace sol {
 
 		template<typename T, typename D>
 		decltype(auto) get_or(D&& otherwise) const {
-			sol::optional<T> option = get<sol::optional<T>>();
+			optional<T> option = get<optional<T>>();
 			if (option) {
 				return static_cast<T>(option.value());
 			}
@@ -10765,7 +10771,7 @@ namespace sol {
 					if (is_simple) {
 						simple_map& sm = stack::get<user<simple_map>>(L, upvalue_index(1));
 						function_map& functions = sm.functions;
-						sol::optional<std::string> maybeaccessor = stack::get<sol::optional<std::string>>(L, 2);
+						optional<std::string> maybeaccessor = stack::get<optional<std::string>>(L, 2);
 						if (!maybeaccessor) {
 							return;
 						}
@@ -10783,7 +10789,7 @@ namespace sol {
 					bool mustindex = umc.mustindex;
 					if (!mustindex)
 						return;
-					sol::optional<std::string> maybeaccessor = stack::get<sol::optional<std::string>>(L, 2);
+					optional<std::string> maybeaccessor = stack::get<optional<std::string>>(L, 2);
 					if (!maybeaccessor) {
 						return;
 					}
@@ -12562,15 +12568,15 @@ namespace sol {
 			-> decltype(stack::pop<std::tuple<Ret0, Ret1, Ret...>>(nullptr)) {
 			typedef decltype(stack::pop<std::tuple<Ret0, Ret1, Ret...>>(nullptr)) Tup;
 			return Tup(
-				traverse_get_optional<top_level, Ret0>(meta::is_specialization_of<sol::optional, meta::unqualified_t<Ret0>>(), detail::forward_get<0>(keys)),
-				traverse_get_optional<top_level, Ret1>(meta::is_specialization_of<sol::optional, meta::unqualified_t<Ret1>>(), detail::forward_get<1>(keys)),
-				traverse_get_optional<top_level, Ret>(meta::is_specialization_of<sol::optional, meta::unqualified_t<Ret>>(), detail::forward_get<I>(keys))...
+				traverse_get_optional<top_level, Ret0>(meta::is_optional<meta::unqualified_t<Ret0>>(), detail::forward_get<0>(keys)),
+				traverse_get_optional<top_level, Ret1>(meta::is_optional<meta::unqualified_t<Ret1>>(), detail::forward_get<1>(keys)),
+				traverse_get_optional<top_level, Ret>(meta::is_optional<meta::unqualified_t<Ret>>(), detail::forward_get<I>(keys))...
 			);
 		}
 
 		template<typename Ret, std::size_t I, typename Keys>
 		decltype(auto) tuple_get(types<Ret>, std::index_sequence<I>, Keys&& keys) const {
-			return traverse_get_optional<top_level, Ret>(meta::is_specialization_of<sol::optional, meta::unqualified_t<Ret>>(), detail::forward_get<I>(keys));
+			return traverse_get_optional<top_level, Ret>(meta::is_optional<meta::unqualified_t<Ret>>(), detail::forward_get<I>(keys));
 		}
 
 		template<typename Pairs, std::size_t... I>
@@ -12711,7 +12717,7 @@ namespace sol {
 		template<typename T, typename Key>
 		decltype(auto) get_or(Key&& key, T&& otherwise) const {
 			typedef decltype(get<T>("")) U;
-			sol::optional<U> option = get<sol::optional<U>>(std::forward<Key>(key));
+			optional<U> option = get<optional<U>>(std::forward<Key>(key));
 			if (option) {
 				return static_cast<U>(option.value());
 			}
@@ -12720,7 +12726,7 @@ namespace sol {
 
 		template<typename T, typename Key, typename D>
 		decltype(auto) get_or(Key&& key, D&& otherwise) const {
-			sol::optional<T> option = get<sol::optional<T>>(std::forward<Key>(key));
+			optional<T> option = get<optional<T>>(std::forward<Key>(key));
 			if (option) {
 				return static_cast<T>(option.value());
 			}
@@ -12730,7 +12736,7 @@ namespace sol {
 		template <typename T, typename... Keys>
 		decltype(auto) traverse_get(Keys&&... keys) const {
 			auto pp = stack::push_pop<is_global<Keys...>::value>(*this);
-			return traverse_get_optional<top_level, T>(meta::is_specialization_of<sol::optional, meta::unqualified_t<T>>(), std::forward<Keys>(keys)...);
+			return traverse_get_optional<top_level, T>(meta::is_optional<meta::unqualified_t<T>>(), std::forward<Keys>(keys)...);
 		}
 
 		template <typename... Keys>
@@ -13164,11 +13170,11 @@ namespace sol {
 		load_status err;
 
 		template <typename T>
-		decltype(auto) tagged_get(types<sol::optional<T>>) const {
+		decltype(auto) tagged_get(types<optional<T>>) const {
 			if (!valid()) {
-				return sol::optional<T>(nullopt);
+				return optional<T>(nullopt);
 			}
-			return stack::get<sol::optional<T>>(L, index);
+			return stack::get<optional<T>>(L, index);
 		}
 
 		template <typename T>
@@ -13181,20 +13187,20 @@ namespace sol {
 			return stack::get<T>(L, index);
 		}
 
-		sol::optional<sol::error> tagged_get(types<sol::optional<sol::error>>) const {
+		optional<error> tagged_get(types<optional<error>>) const {
 			if (valid()) {
 				return nullopt;
 			}
-			return sol::error(detail::direct_error, stack::get<std::string>(L, index));
+			return error(detail::direct_error, stack::get<std::string>(L, index));
 		}
 
-		sol::error tagged_get(types<sol::error>) const {
+		error tagged_get(types<error>) const {
 #ifdef SOL_CHECK_ARGUMENTS
 			if (valid()) {
 				type_panic(L, index, type_of(L, index), type::none);
 			}
 #endif // Check Argument Safety
-			return sol::error(detail::direct_error, stack::get<std::string>(L, index));
+			return error(detail::direct_error, stack::get<std::string>(L, index));
 		}
 
 	public:

sol.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/as_args.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/call.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/compatibility.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/compatibility/5.0.0.h

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/compatibility/5.1.0.h

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/compatibility/5.2.0.h

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/compatibility/5.x.x.h

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/compatibility/5.x.x.inl

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/compatibility/version.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/container_usertype_metatable.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/coroutine.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/debug.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/demangle.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/deprecate.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/environment.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/error.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/function.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/function_result.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/function_types.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/function_types_core.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/function_types_overloaded.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/function_types_stateful.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/function_types_stateless.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/function_types_templated.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/in_place.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/inheritance.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/load_result.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -37,11 +37,11 @@ namespace sol {
 		load_status err;
 
 		template <typename T>
-		decltype(auto) tagged_get(types<sol::optional<T>>) const {
+		decltype(auto) tagged_get(types<optional<T>>) const {
 			if (!valid()) {
-				return sol::optional<T>(nullopt);
+				return optional<T>(nullopt);
 			}
-			return stack::get<sol::optional<T>>(L, index);
+			return stack::get<optional<T>>(L, index);
 		}
 
 		template <typename T>
@@ -54,20 +54,20 @@ namespace sol {
 			return stack::get<T>(L, index);
 		}
 
-		sol::optional<sol::error> tagged_get(types<sol::optional<sol::error>>) const {
+		optional<error> tagged_get(types<optional<error>>) const {
 			if (valid()) {
 				return nullopt;
 			}
-			return sol::error(detail::direct_error, stack::get<std::string>(L, index));
+			return error(detail::direct_error, stack::get<std::string>(L, index));
 		}
 
-		sol::error tagged_get(types<sol::error>) const {
+		error tagged_get(types<error>) const {
 #ifdef SOL_CHECK_ARGUMENTS
 			if (valid()) {
 				type_panic(L, index, type_of(L, index), type::none);
 			}
 #endif // Check Argument Safety
-			return sol::error(detail::direct_error, stack::get<std::string>(L, index));
+			return error(detail::direct_error, stack::get<std::string>(L, index));
 		}
 
 	public:

sol/object.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/object_base.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/optional.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -39,6 +39,12 @@ namespace sol {
 	const nullopt_t nullopt = boost::none;
 #endif // Boost vs. Better optional
 
+	namespace meta {
+		template <typename T>
+		struct is_optional : std::false_type {};
+		template <typename T>
+		struct is_optional<optional<T>> : std::true_type {};
+	} // meta
 } // sol
 
 #endif // SOL_OPTIONAL_HPP

sol/optional_implementation.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/overload.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/property.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/protect.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/protected_function.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/protected_function_result.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -38,11 +38,11 @@ namespace sol {
 		call_status err;
 
 		template <typename T>
-		decltype(auto) tagged_get(types<sol::optional<T>>) const {
+		decltype(auto) tagged_get(types<optional<T>>) const {
 			if (!valid()) {
-				return sol::optional<T>(nullopt);
+				return optional<T>(nullopt);
 			}
-			return stack::get<sol::optional<T>>(L, index);
+			return stack::get<optional<T>>(L, index);
 		}
 
 		template <typename T>

sol/proxy.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -81,7 +81,7 @@ namespace sol {
 		template<typename T>
 		decltype(auto) get_or(T&& otherwise) const {
 			typedef decltype(get<T>()) U;
-			sol::optional<U> option = get<sol::optional<U>>();
+			optional<U> option = get<optional<U>>();
 			if (option) {
 				return static_cast<U>(option.value());
 			}
@@ -90,7 +90,7 @@ namespace sol {
 
 		template<typename T, typename D>
 		decltype(auto) get_or(D&& otherwise) const {
-			sol::optional<T> option = get<sol::optional<T>>();
+			optional<T> option = get<optional<T>>();
 			if (option) {
 				return static_cast<T>(option.value());
 			}

sol/proxy_base.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/raii.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/reference.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/resolve.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/simple_usertype_metatable.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/stack.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/stack_check.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/stack_check_get.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/stack_core.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/stack_field.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/stack_get.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/stack_guard.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/stack_pop.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/stack_probe.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/stack_proxy.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/stack_push.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/stack_reference.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/state.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/state_view.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/string_shim.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/table.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/table_core.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -79,15 +79,15 @@ namespace sol {
 			-> decltype(stack::pop<std::tuple<Ret0, Ret1, Ret...>>(nullptr)) {
 			typedef decltype(stack::pop<std::tuple<Ret0, Ret1, Ret...>>(nullptr)) Tup;
 			return Tup(
-				traverse_get_optional<top_level, Ret0>(meta::is_specialization_of<sol::optional, meta::unqualified_t<Ret0>>(), detail::forward_get<0>(keys)),
-				traverse_get_optional<top_level, Ret1>(meta::is_specialization_of<sol::optional, meta::unqualified_t<Ret1>>(), detail::forward_get<1>(keys)),
-				traverse_get_optional<top_level, Ret>(meta::is_specialization_of<sol::optional, meta::unqualified_t<Ret>>(), detail::forward_get<I>(keys))...
+				traverse_get_optional<top_level, Ret0>(meta::is_optional<meta::unqualified_t<Ret0>>(), detail::forward_get<0>(keys)),
+				traverse_get_optional<top_level, Ret1>(meta::is_optional<meta::unqualified_t<Ret1>>(), detail::forward_get<1>(keys)),
+				traverse_get_optional<top_level, Ret>(meta::is_optional<meta::unqualified_t<Ret>>(), detail::forward_get<I>(keys))...
 			);
 		}
 
 		template<typename Ret, std::size_t I, typename Keys>
 		decltype(auto) tuple_get(types<Ret>, std::index_sequence<I>, Keys&& keys) const {
-			return traverse_get_optional<top_level, Ret>(meta::is_specialization_of<sol::optional, meta::unqualified_t<Ret>>(), detail::forward_get<I>(keys));
+			return traverse_get_optional<top_level, Ret>(meta::is_optional<meta::unqualified_t<Ret>>(), detail::forward_get<I>(keys));
 		}
 
 		template<typename Pairs, std::size_t... I>
@@ -228,7 +228,7 @@ namespace sol {
 		template<typename T, typename Key>
 		decltype(auto) get_or(Key&& key, T&& otherwise) const {
 			typedef decltype(get<T>("")) U;
-			sol::optional<U> option = get<sol::optional<U>>(std::forward<Key>(key));
+			optional<U> option = get<optional<U>>(std::forward<Key>(key));
 			if (option) {
 				return static_cast<U>(option.value());
 			}
@@ -237,7 +237,7 @@ namespace sol {
 
 		template<typename T, typename Key, typename D>
 		decltype(auto) get_or(Key&& key, D&& otherwise) const {
-			sol::optional<T> option = get<sol::optional<T>>(std::forward<Key>(key));
+			optional<T> option = get<optional<T>>(std::forward<Key>(key));
 			if (option) {
 				return static_cast<T>(option.value());
 			}
@@ -247,7 +247,7 @@ namespace sol {
 		template <typename T, typename... Keys>
 		decltype(auto) traverse_get(Keys&&... keys) const {
 			auto pp = stack::push_pop<is_global<Keys...>::value>(*this);
-			return traverse_get_optional<top_level, T>(meta::is_specialization_of<sol::optional, meta::unqualified_t<T>>(), std::forward<Keys>(keys)...);
+			return traverse_get_optional<top_level, T>(meta::is_optional<meta::unqualified_t<T>>(), std::forward<Keys>(keys)...);
 		}
 
 		template <typename... Keys>

sol/table_iterator.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/thread.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/tie.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/traits.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/tuple.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/types.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/userdata.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/usertype.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/usertype_metatable.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT)
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in
@@ -251,7 +251,7 @@ namespace sol {
 					if (is_simple) {
 						simple_map& sm = stack::get<user<simple_map>>(L, upvalue_index(1));
 						function_map& functions = sm.functions;
-						sol::optional<std::string> maybeaccessor = stack::get<sol::optional<std::string>>(L, 2);
+						optional<std::string> maybeaccessor = stack::get<optional<std::string>>(L, 2);
 						if (!maybeaccessor) {
 							return;
 						}
@@ -269,7 +269,7 @@ namespace sol {
 					bool mustindex = umc.mustindex;
 					if (!mustindex)
 						return;
-					sol::optional<std::string> maybeaccessor = stack::get<sol::optional<std::string>>(L, 2);
+					optional<std::string> maybeaccessor = stack::get<optional<std::string>>(L, 2);
 					if (!maybeaccessor) {
 						return;
 					}

sol/usertype_traits.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/variadic_args.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in

sol/wrapper.hpp

@@ -1,6 +1,6 @@
 // The MIT License (MIT) 
 
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
+// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
 
 // Permission is hereby granted, free of charge, to any person obtaining a copy of
 // this software and associated documentation files (the "Software"), to deal in