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33 lines
771 B
C++
Executable File
33 lines
771 B
C++
Executable File
// (C) Copyright Gennadiy Rozental 2001-2005.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/test for the library home page.
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// Boost.Runtime.Param
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#include <boost/test/utils/runtime/env/variable.hpp>
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#include <boost/test/utils/basic_cstring/io.hpp>
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namespace rt = boost::runtime;
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namespace env = boost::runtime::env;
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// STL
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#include <iostream>
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int main() {
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std::cout << env::get<int>("NUMBER_OF_PROCESSORS") << '\n' << env::get<rt::cstring>("TEMP") << std::endl;
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boost::optional<int> n;
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env::get( "NUMBER_OF_PROCESSORS", n );
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if( n )
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std::cout << n << std::endl;
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return 0;
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}
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// EOF
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