78 lines
2.3 KiB
C++
78 lines
2.3 KiB
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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#include <boost/yap/expression.hpp>
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template<typename T>
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using term = boost::yap::terminal<boost::yap::expression, T>;
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template<typename T>
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using ref = boost::yap::expression_ref<boost::yap::expression, T>;
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namespace yap = boost::yap;
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namespace bh = boost::hana;
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void compile_const_term()
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{
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{
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term<double const> unity{1.0};
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int i_ = 42;
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term<int &&> i{std::move(i_)};
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yap::expression<
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yap::expr_kind::plus,
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bh::tuple<ref<term<double const> &>, term<int &&>>>
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expr = unity + std::move(i);
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yap::expression<
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yap::expr_kind::plus,
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bh::tuple<
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ref<term<double const> &>,
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yap::expression<
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yap::expr_kind::plus,
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bh::tuple<ref<term<double const> &>, term<int &&>>>>>
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unevaluated_expr = unity + std::move(expr);
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(void)unevaluated_expr;
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}
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{
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term<double> const unity{1.0};
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int i_ = 42;
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term<int &&> i{std::move(i_)};
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yap::expression<
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yap::expr_kind::plus,
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bh::tuple<ref<term<double> const &>, term<int &&>>>
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expr = unity + std::move(i);
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yap::expression<
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yap::expr_kind::plus,
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bh::tuple<
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ref<term<double> const &>,
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yap::expression<
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yap::expr_kind::plus,
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bh::tuple<ref<term<double> const &>, term<int &&>>>>>
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unevaluated_expr = unity + std::move(expr);
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(void)unevaluated_expr;
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}
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{
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term<double> unity{1.0};
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int i_ = 42;
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term<int const &> i{i_};
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yap::expression<
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yap::expr_kind::plus,
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bh::tuple<ref<term<double> &>, term<int const &>>> const expr =
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unity + std::move(i);
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yap::expression<
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yap::expr_kind::plus,
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bh::tuple<
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ref<term<double> &>,
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yap::expression<
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yap::expr_kind::plus,
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bh::tuple<ref<term<double> &>, term<int const &>>>>>
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unevaluated_expr = unity + std::move(expr);
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(void)unevaluated_expr;
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}
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}
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