Improve C++ example
--
MOS_MIGRATED_REVID=87514947
diff --git a/base_workspace/examples/cpp/hello-lib.cc b/base_workspace/examples/cpp/hello-lib.cc
index aee43ba..8e40921 100644
--- a/base_workspace/examples/cpp/hello-lib.cc
+++ b/base_workspace/examples/cpp/hello-lib.cc
@@ -1,5 +1,21 @@
#include "examples/cpp/hello-lib.h"
-#include <stdio.h>
+#include <iostream>
-void greet(const char* obj) { printf("hello %s\n", obj); }
+using std::cout;
+using std::endl;
+using std::string;
+
+namespace hello {
+
+HelloLib::HelloLib() : HelloLib("Hello") {
+}
+
+HelloLib::HelloLib(const string& greeting) : greeting_(new string(greeting)) {
+}
+
+void HelloLib::greet(const string& thing) {
+ cout << *greeting_ << " " << thing << endl;
+}
+
+} // namespace hello
