| // (C) Copyright Gennadiy Rozental 2001-2008. |
| // 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> |
| |
| int main() { |
| std::cout << env::get<int>("NUMBER_OF_PROCESSORS") << '\n' << env::get<rt::cstring>("TEMP") << std::endl; |
| |
| boost::optional<int> n; |
| |
| env::get( "NUMBER_OF_PROCESSORS", n ); |
| |
| if( n ) |
| std::cout << n << std::endl; |
| |
| return 0; |
| } |
| |
| // EOF |
| |