Fix support for routines taking no arguments.

src/Reactor/Nucleus.hpp

@@ -2526,12 +2526,17 @@ namespace sw
 
 		Routine *operator()(const wchar_t *name, ...);
 
-	private:
+	protected:
 		Nucleus *core;
 		llvm::Function *function;
 		std::vector<llvm::Type*> arguments;
 	};
 
+	template<typename Return>
+	class Function<Return()> : public Function<Return(Void)>
+	{
+	};
+
 	template<int index, typename Return, typename... Arguments>
 	Argument<typename ArgI<index, Arguments...>::Type> Arg(Function<Return(Arguments...)> &function)
 	{
@@ -2978,7 +2983,10 @@ namespace sw
 		llvm::Type *types[] = {Arguments::getType()...};
 		for(llvm::Type *type : types)
 		{
-			arguments.push_back(type);
+			if(type != Void::getType())
+			{
+				arguments.push_back(type);
+			}
 		}
 
 		function = Nucleus::createFunction(Return::getType(), arguments);