runtime.param examples added

[SVN r28150]

example/cla/basic_string.cpp

@@ -0,0 +1,39 @@
+//  (C) Copyright Gennadiy Rozental 2001-2004.
+//  Distributed under the Boost Software License, Version 1.0.
+//  (See accompanying file LICENSE_1_0.txt or copy at 
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/test for the library home page.
+
+// Boost.Runtime.Param
+#include <boost/test/utils/runtime/cla/named_parameter.hpp>
+#include <boost/test/utils/runtime/cla/parser.hpp>
+
+namespace rt  = boost::runtime;
+namespace cla = boost::runtime::cla;
+
+// STL
+#include <iostream>
+
+int main() {
+    char* argv[] = { "basic", "-abcd", "25" };
+    int argc = sizeof(argv)/sizeof(char*);
+
+    try {
+        cla::parser P;
+
+        P << cla::named_parameter( "abcd" );
+
+        P.parse( argc, argv );
+
+        std::cout << "abcd = " << P.get( "abcd" ) << std::endl;
+    }
+    catch( rt::logic_error const& ex ) {
+        std::cout << "Logic error: " << ex.msg() << std::endl;
+        return -1;
+    }
+
+    return 0;
+}
+
+// EOF