Adds copy operators on Result.

src/Result.hpp

@@ -12,16 +12,39 @@ namespace ArbUt {
         /// @brief Return a success, along with the success value.
         /// @param value The value to return.
         /// @return The result class
-        inline static const Result& Ok(T value) { return Result(ResultStatus::Ok, value); }
+        inline static Result Ok(T value) { return Result(ResultStatus::Ok, value); }
         /// @brief Return an error, along with an error message.
         /// @param message The error message to return
         /// @return The result class
-        inline static const Result& Error(const std::string& message) { return Result(message); }
+        inline static Result Error(const std::string& message) { return Result(message); }
 
         /// @brief Implicitly return a success result with a value.
         /// @param value The value to return.
         inline Result(const T& value) : Result(ResultStatus::Ok, value) {}
 
+        /// @brief Copy constructor
+        /// @param rhs The object to construct from.
+        Result(const Result& rhs) : _resultStatus(rhs._resultStatus) {
+            if (_resultStatus == ResultStatus::Ok) {
+                _resultValue = rhs._resultValue;
+            } else {
+                _errorMessage = rhs._errorMessage;
+            }
+        }
+        /// @brief Copy operator.
+        inline Result<T>& operator=(const Result<T>& rhs) {
+            if (this == &rhs) {
+                return *this;
+            }
+            _resultStatus = rhs._resultStatus;
+            if (_resultStatus == ResultStatus::Ok) {
+                _resultValue = rhs._resultValue;
+            } else {
+                _errorMessage = rhs._errorMessage;
+            }
+            return *this;
+        }
+
         /// @brief Returns whether or not the function succeeded,
         /// @return Whether or not the function succeeded.
         [[nodiscard]] inline ResultStatus GetStatus() const noexcept { return _resultStatus; }