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// (C) Copyright Gennadiy Rozental 2001-2006.
// 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/env/variable.hpp>
#include <boost/test/utils/basic_cstring/io.hpp>
namespace rt = boost::runtime;
namespace env = boost::runtime::env;
// STL
#include <iostream>
void
named_integer( rt::cstring source, boost::optional<int>& value )
{
if( source == "one" )
value = 1;
else if( source == "two" )
value = 2;
else
value = 0;
}
env::variable<int> NUMBER1( "NUMBER1", env::interpreter = &named_integer );
int main() {
std::cout << NUMBER1 << std::endl;
std::cout << env::var<int>( "NUMBER2", ( env::interpreter = &named_integer, env::default_value = 10 ))
<< std::endl;
return 0;
}
// EOF
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