refactor: comnbine all in to one single header

test/test.cpp

@@ -1,15 +1,15 @@
 #include <string>
-#include "../src/nerr.h"
+#include "../src/ro.h"
 #include  <functional>
 #include <iostream>
 
 
 
 using namespace std;
-using namespace nerr;
+using namespace ro;
 
 #define assert(v,fmt,...) if(!(v)) { \
-    throw Error(nerr::sfmt("ASSERT ERROR %s:%d: " fmt, __FILE__, __LINE__, ##__VA_ARGS__)); \
+    throw Error(ro::sfmt("ASSERT ERROR %s:%d: " fmt, __FILE__, __LINE__, ##__VA_ARGS__)); \
 }
 
 
@@ -20,18 +20,13 @@ void test(const char* desc, const std::function<void()>& lambda)
         lambda();
         std::cout << "OK" << std::endl;
     }
-    catch(nerr::Error e)
+    catch(ro::Error e)
     {
         std::cout << "FAILED" << std::endl;
         std::cout << e.what() << std::endl;
     }
 }
 
-Result<string, Error> test_return()
-{
-    return string("Error");
-}
-
 int main(int argc, char const *argv[])
 {
     test("Test Option", [](){
@@ -123,7 +118,6 @@ int main(int argc, char const *argv[])
     test("Result map", [](){
         auto err = ERR("Error");
         auto fn = [](string data){
-            cout << data << endl;
             return 1;
         };
         Result<string, Error> ret = err;
@@ -140,7 +134,6 @@ int main(int argc, char const *argv[])
 
     test("Result map err", [](){
         auto fn = [](int x){
-            cout << "Error code is " << x << endl;
             return "Hello";
         };
         Result<bool, int> ret = true;
@@ -165,4 +158,5 @@ int main(int argc, char const *argv[])
         v = ret.map_or<int>(0, fn);
         assert(v == 3, "Value mismatch %d",v);
     });
+
 }