Merge branch 'main' of https://github.com/tbarnes98/CS3210

Lecture/Week10/main.cpp

@@ -0,0 +1,78 @@
+#include <iostream>
+using namespace std;
+
+class Row{
+    public:
+        int size = 0;
+        double * data;
+
+        // constructor
+        Row(int size){
+            cout << "constructor" << endl;
+            this->size = size;
+            data = new double[size];
+            // call clear
+        }
+
+        // copy constructor
+        Row(const Row& from){
+            this->size = from.size;
+            data = new double[size];
+            for(int i = 0; i < size; i++){
+                this->data[i] = from.data[i];
+            }
+        }
+
+        // move copy constructor
+        Row(Row&& from){
+            cout << "move copy constructor" << endl;
+            this->size = from.size;
+            this->data = from.data;
+            from.data = nullptr;
+        }
+
+        // assignment operator (non-move)
+        Row operator=(const Row& rhs){
+            if(this != &rhs){
+                delete[] data;
+                this->size = rhs.size;
+                data = new double[size];
+                for(int i = 0; i < size; i++){
+                    this->data[i] = rhs.data[i];
+                }
+            }
+            return *this;
+        }
+
+
+        Row& operator=(Row&& from){
+            cout << "assignment operator" << endl;
+            if(this != &from){
+                delete[] data;
+                //this-size = from.size; // gives error
+                this->data = from.data;
+                from.data = nullptr;
+            }
+            return *this;
+        }
+
+        ~Row(){
+            delete[] data;
+        }
+        
+};
+
+
+void swap(Row& R1, Row& R2){
+    Row temp = move(R1);
+    R1 = std::move(R2);
+    R2 = std::move(temp);
+}
+
+int main(){
+
+    Row R1(2);
+    Row R2(3);
+    swap(R1,R2);
+    return 0;
+}