Rename directories, fix assignment operator in singlelist

plates/singlelist/driver.cpp

@@ -19,7 +19,7 @@ int main()
 {
   std::cout << "Driver: \n";
 
-  SingleList testList;
+  SingleList testList, test;
   bool exit = false;
   int choice = -1;
   int val, key;
@@ -41,6 +41,7 @@ int main()
       std::cin >> val;
       std::cin.clear();
       testList.insert(val);
+      test = testList;
       break;
 
     case INSERTAT:
@@ -67,6 +68,7 @@ int main()
 
     case PRINT:
       testList.print();
+      test.print();
       break;
 
     case FIND:

plates/singlelist/singlelist.cpp

@@ -42,11 +42,10 @@ SingleList::SingleList(const SingleList& rhs)
  * @param rhs SingleList object 
  * @return SingleList& A shallow copy of the rhs SingleList in the assignment
  */
-SingleList SingleList::operator=(SingleList& rhs)
+SingleList SingleList::operator=(SingleList rhs)
 {
   if (this == &rhs) return *this;
-  else head = rhs.head;
-
+  std::swap(head, rhs.head);
   return *this;
 }
 

plates/singlelist/singlelist.h

@@ -22,7 +22,7 @@ class SingleList{
   public:
     SingleList() : head(NULL) {};
     SingleList(const SingleList& rhs);
-    SingleList operator=(SingleList& rhs);
+    SingleList operator=(SingleList rhs);
     ~SingleList();
     bool insert(int val);
     bool insert(int val, int key);