Cpp file

CurrencyConverter/HomeViewObjCViewController.m

@@ -3,6 +3,7 @@
 #import "CurexConverter_ObjC-Swift.h"
 #import "HomeViewObjCViewController.h"
 #import "Masonry.h"
+#import "SomeCppClass.hpp"
 
 #include "math.h"
 
@@ -64,6 +65,9 @@ - (void)viewDidLoad {
 
     self.presenter = [[HomePresenter alloc] initWithView: self];
 
+    fff();
+    // const char* sss = fff();
+
     _constants = createUIConstants(200);
     int aaa = _constants.selectedCurrencyLabelTop;
 

CurrencyConverter/SomeCppClass.cpp

@@ -0,0 +1,17 @@
+//
+//  SomeCppClass.cpp
+//  CurexConverter-ObjC
+//
+//  Created by roman roman on 09.03.2025.
+//
+
+#include "SomeCppClass.hpp"
+
+// #include <Foundation/Foundation.h>
+#include <string>
+
+const void* fff(void) {
+    std::string s = "Hello";
+    std::string s2 = "World";
+    return (s + s2).c_str();
+}

CurrencyConverter/SomeCppClass.hpp

@@ -0,0 +1,13 @@
+//
+//  SomeCppClass.hpp
+//  CurexConverter-ObjC
+//
+//  Created by roman roman on 09.03.2025.
+//
+
+#ifndef SomeCppClass_hpp
+#define SomeCppClass_hpp
+
+const void* fff(void);
+
+#endif /* SomeCppClass_hpp */