chore: Add course material

397/Ex71/GroupEntry.cpp

@@ -0,0 +1,31 @@
+
+
+#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 {
+    // PART 1 implement print here
+    // When you call print for the child objects, extend the indent string argument
+    // with a couple of more space characters.
+}
+
+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);
+    }
+}