Cleaned up Util functions

Common/Result.h

@@ -24,10 +24,10 @@ namespace LXC::Util
 	}
 
 	// Custom version of std::unexpected //
-	template<typename ErrorType> struct FunctionFail
+	template<typename ErrorType> struct FunctionFail final
 	{
-		explicit FunctionFail(ErrorType _err)
-			: error(_err)
+		// Basic constructor to copy the error across //
+		explicit FunctionFail(ErrorType _err) : error(_err)
 		{
 			// Only checks for a debugger when compiled in Debug mode //
 			#ifdef _DEBUG
@@ -39,13 +39,28 @@ namespace LXC::Util
 			#endif // _DEBUG
 		}
 
-		ErrorType error;
+		// Constructs the FunctionFail with the error itself //
+		template<typename... Args> requires std::constructible_from<ErrorType, Args...>
+		explicit FunctionFail(Args&&... args)
+			: error(std::forward<Args>(args)...)
+		{
+			// Only checks for a debugger when compiled in Debug mode //
+			#ifdef _DEBUG
+
+			// Triggers a breakpoint when a debugger is attached as a function has failed //
+			if (IsDebuggerPresent())
+				DebugBreak();
+
+			#endif // _DEBUG
+		}
+
+		const ErrorType error;
 	};
 
 	// Custom version of std::expected //
 	template<typename ResultType, typename ErrorType>
 		requires (!std::same_as<ResultType, bool>) // ResultType being bool causes issues with operator overloads
-	class ReturnVal
+	class ReturnVal final
 	{
 		public:
 			// Constructor for function sucess //