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#ifndef TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_TAKE_WHILE_H_
#define TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_TAKE_WHILE_H_
#include "conditional/if.h"
namespace tav {
template <
template<typename> class Predicate,
typename Current
>
struct TakeWhile {
typedef Eval<If<
Eval<Predicate<Head<Current>>>,
Eval<Cons<
Head<Current>,
Eval<TakeWhile<Predicate, Tail<Current>>>
>>,
void
>> type;
};
template <
template<typename> class Predicate
>
struct TakeWhile<Predicate, void> {
typedef void type;
};
}
#endif // TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_TAKE_WHILE_H_
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