last changes from bloomberg.

cpp/cpp11/overload.cpp

@@ -0,0 +1,42 @@
+/*
+VIM: let b:lcppflags="-std=c++11 -O2 -pthread"
+VIM: let b:wcppflags="/O2 /EHsc /DWIN32"
+VIM: let b:argv=""
+*/
+#include <iostream>
+#include <exception>
+#include <string>
+
+void a( std::string&& s )
+{
+    std::cout << " by value " << std::endl;
+}
+
+void a( const std::string& s )
+{
+    std::cout << " const ref " << std::endl;
+}
+
+
+int main ( void )
+{try{
+    std::string s = "bbbbbb";
+
+    a(s);
+    a(std::string("aaaa"));
+
+    return 0;
+}
+catch ( const std::exception& e )
+{
+    std::cerr << std::endl
+            << "std::exception(\"" << e.what() << "\")." << std::endl;
+    return 2;
+}
+catch ( ... )
+{
+    std::cerr  << std::endl
+            << "unknown exception." << std::endl;
+    return 1;
+}}
+