added sample

Author: drewxa

lab6/lab6_1.cpp

@@ -17,6 +17,7 @@ int main()
     testMap01();
     testMap02();
     testMap03();
+    testMap04();
 
     testVector01();
     testVector02();

lab6/lab6_1.hpp

@@ -9,6 +9,7 @@ void testList07();
 void testMap01();
 void testMap02();
 void testMap03();
+void testMap04();
 
 void testVector01();
 void testVector02();

lab6/map.cpp

@@ -32,6 +32,15 @@ void testMap02()
 }
 
 void testMap03()
+{
+    std::map<std::string, int> mp;
+    mp["One"] = 1;
+    mp["Two"] = 2;
+
+    std::cout << "Four is" << mp["Four"] << std::endl;
+}
+
+void testMap04()
 {
     std::map<std::string, int> mp =
     {