Update 10.2.concepts.cpp

coderadhika · web-flow · commit 7c211c2f1014 · 2020-10-01T13:33:04.000+05:30
diff --git a/code/10/10.2.concepts.cpp b/code/10/10.2.concepts.cpp
@@ -29,7 +29,7 @@ struct Person {
     double height, weight;
     Person(double a, double b) : height(a), weight(b) {}
     string to_string(){
-        return "weight: "+ std::to_string(weight) + ", height: "+ std::to_string(height);
+        return "weight: "+to_string(weight) + ", height: "+ to_string(height);
 	}
 };
 
@@ -56,21 +56,21 @@ string to_string(std::vector<int> v){
 
 
  void print(Stringable a){
-    std::cout << a.to_string() << std::endl;
+    cout << a.to_string() << endl;
 }
 
  void print(HasStringFunc a){
-    std::cout << to_string(a) << std::endl;
+    cout << to_string(a) << endl;
 }
 
  int main() {
-    std::list<int> l {1, 2, 3};
+    list<int> l {1, 2, 3};
     Person p(57, 170.0);
-    std::vector<int> v { 34, 23, 34, 56, 78};
+    vector<int> v { 34, 23, 34, 56, 78};
 
     print(p); // uses concept Stringable
     print(l);
     print(3); // uses concept HasStringFunc
     // print(v); // error
     return 0;
-}
+}
