1 files changed, 48 insertions, 0 deletions
diff --git a/include/Result.hpp b/include/Result.hpp
new file mode 100644
index 0000000..316e45a
--- /dev/null
+++ b/include/Result.hpp
@@ -0,0 +1,48 @@
+#pragma once
+
+#include <string>
+
+namespace amalgine
+{
+    template <typename T>
+    class Result
+    {
+    public:
+        static Result<T> Ok(const T &data)
+        {
+            Result<T> result;
+            result.data = data;
+            result.errorCode = 0;
+            return result;
+        }
+        
+        static Result<T> Err(const std::string &errorMsg, int errorCode = -1)
+        {
+            Result<T> result;
+            result.errorMsg = errorMsg;
+            result.errorCode = errorCode;
+            return result;
+        }
+        
+        template <typename OtherType>
+        static Result<T> Err(const Result<OtherType> &otherResult)
+        {
+            Result<T> result;
+            result.errorMsg = otherResult.errorMsg;
+            result.errorCode = otherResult.errorCode;
+            return result;
+        }
+        
+        bool isOk() const { return errorCode == 0; }
+        bool isErr() const { return !isOk(); }
+        operator bool() const { return isOk(); }
+        
+        const std::string& getErrorMsg() const { return errorMsg; }
+    private:
+        Result(){}
+    private:
+        T data;
+        int errorCode;
+        std::string errorMsg;
+    };
+}