Sprout/sprout/weed/expr/eval.hpp
bolero-MURAKAMI c6bd230ee4 fix inline
add container/indexes.hpp
add tuple/indexes.hpp
2012-04-04 22:23:41 +09:00

32 lines
849 B
C++

#ifndef SPROUT_WEED_EXPR_EVAL_HPP
#define SPROUT_WEED_EXPR_EVAL_HPP
#include <sprout/config.hpp>
#include <sprout/weed/expr/make_terminal_or_expr.hpp>
#include <sprout/weed/traits/expr/terminal_or_expr_of.hpp>
namespace sprout {
namespace weed {
//
// eval
//
template<typename Expr, typename Context>
inline SPROUT_CONSTEXPR typename Context::template eval<
typename sprout::weed::traits::terminal_or_expr_of<Expr>::type
>::result_type eval(
Expr const& expr,
Context const& ctx
)
{
typedef typename Context::template eval<
typename sprout::weed::traits::terminal_or_expr_of<Expr>::type
> eval_type;
return eval_type()(
sprout::weed::make_terminal_or_expr(expr),
ctx
);
}
} // namespace weed
} // namespace sprout
#endif // #ifndef SPROUT_WEED_EXPR_EVAL_HPP