chore: Add course material

397/SolutionEx71Bonus/GroupEntry.cpp

@@ -0,0 +1,38 @@
+#pragma warning(disable : 4786)
+// GroupEntry.cpp
+
+#include <iostream>
+
+#include "EntryVisitor.h"
+#include "GroupEntry.h"
+#include "PersonEntry.h"
+
+GroupEntry::GroupEntry(std::string name) : Entry(name) {}
+
+void GroupEntry::print(std::string indent) const {
+    // print group name
+    std::cout << indent << "Group: " << getName() << '\n';
+
+    // Part 1: call print() on each group member (with increased indent level)
+
+    for (auto p : _entries) {
+        p->print(indent + "  ");
+    }
+}
+
+void GroupEntry::addEntry(const Entry &entry) {
+    // Part 1: Add the entry to this group
+
+    _entries.push_back(&entry);
+}
+
+void GroupEntry::accept(EntryVisitor &v) const {
+    v.visit(*this);
+
+    // pass visitor to my children
+    for (auto p : _entries) {
+        p->accept(v);
+    }
+
+    v.unVisit(*this);
+}