adding cs142 code

cs142/smcquay/lab08/person.cc

@@ -0,0 +1,53 @@
+using namespace std;
+#include "person.h"
+
+void person::update_food(string new_food) {
+    if(name != "Kevin Bacon")
+        favorite_food = new_food;
+}
+
+void person::food_friend() {
+    cout << "freinds for " << this->name << " with similar tastes: [";
+    for(auto i = friends.begin(); i != friends.end(); i++) {
+        if((*i)->favorite_food == this->favorite_food) {
+            cout << "'" << (*i)->name << "', ";
+        }
+    }
+    cout << "]" << endl;
+}
+
+int person::bacon_number() {
+    return 0;
+}
+
+ostream &operator<<(ostream &stream, person & p) {
+    stream << "{name: '" << p.name
+      << "', favorite_food: '" << p.favorite_food
+      << "'";
+
+    if(p.friends.size() > 0) {
+        stream << ", friends: [";
+        for(auto i = p.friends.begin(); i != p.friends.end(); i++) {
+            if (i != p.friends.begin()) {
+                stream << ", ";
+            }
+            stream << "'" << (*i)->name << "'";
+        }
+        stream << "]";
+    }
+
+    stream << "}";
+    return stream;
+}
+
+istream &operator>>(istream &stream, person &o) {
+  string buffer;
+  cout << "name: ";
+  stream.ignore();
+  getline(stream, buffer);
+  o.name = buffer;
+  cout << "food: ";
+  getline(stream, buffer);
+  o.favorite_food = buffer;
+  return stream;
+}