33 lines
712 B
C++
33 lines
712 B
C++
// Copyright (C) 2016-2018 T. Zachary Laine
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// 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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//[hello_world_redux
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#include <boost/yap/algorithm.hpp>
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#include <iostream>
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template <boost::yap::expr_kind Kind, typename Tuple>
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struct stream_expr
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{
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static const boost::yap::expr_kind kind = Kind;
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Tuple elements;
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template <typename T>
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decltype(auto) operator<< (T && x)
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{ return boost::yap::value(*this) << std::forward<T &&>(x); }
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};
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int main ()
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{
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auto cout = boost::yap::make_terminal<stream_expr>(std::cout);
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cout << "Hello" << ',' << " world!\n";
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return 0;
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}
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//]
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