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sprout/weed.hpp 追加

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bolero-MURAKAMI 2011-11-13 17:54:38 +09:00
parent 8103682fdb
commit ecfc2b297a
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41
sprout/weed/context/parse_context_fwd.hpp Normal file
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#ifndef SPROUT_WEED_CONTEXT_PARSE_CONTEXT_FWD_HPP
#define SPROUT_WEED_CONTEXT_PARSE_CONTEXT_FWD_HPP
#include <sprout/config.hpp>
namespace sprout {
namespace weed {
//
// parse_context
//
template<typename Iterator>
class parse_context {
public:
template<typename Expr, typename = void>
struct eval;
private:
Iterator first_;
Iterator last_;
public:
SPROUT_CONSTEXPR parse_context(Iterator first, Iterator last)
: first_(first)
, last_(last)
{}
SPROUT_CONSTEXPR parse_context(parse_context const& other, Iterator current)
: first_(current)
, last_(other.last_)
{}
SPROUT_CONSTEXPR Iterator begin() const {
return first_;
}
SPROUT_CONSTEXPR Iterator end() const {
return last_;
}
SPROUT_CONSTEXPR bool empty() const {
return first_ == last_;
}
};
} // namespace weed
} // namespace sprout
#endif // #ifndef SPROUT_WEED_CONTEXT_PARSE_CONTEXT_FWD_HPP