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39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2013 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_WEED_EXPR_EVAL_HPP
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#define SPROUT_WEED_EXPR_EVAL_HPP
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#include <sprout/config.hpp>
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#include <sprout/weed/expr/make_terminal_or_expr.hpp>
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#include <sprout/weed/traits/expr/terminal_or_expr_of.hpp>
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namespace sprout {
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namespace weed {
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//
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// eval
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//
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template<typename Expr, typename Context>
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inline SPROUT_CONSTEXPR typename Context::template eval<
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typename sprout::weed::traits::terminal_or_expr_of<Expr>::type
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>::result_type eval(
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Expr const& expr,
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Context const& ctx
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)
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{
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typedef typename Context::template eval<
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typename sprout::weed::traits::terminal_or_expr_of<Expr>::type
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> eval_type;
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return eval_type()(
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sprout::weed::make_terminal_or_expr(expr),
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ctx
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);
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}
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} // namespace weed
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} // namespace sprout
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#endif // #ifndef SPROUT_WEED_EXPR_EVAL_HPP
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