2.1 KiB
[func.search.default]
22 General utilities library [utilities]
22.10 Function objects [function.objects]
22.10.18 Searchers [func.search]
22.10.18.2 Class template default_searcher [func.search.default]
namespace std {template<class ForwardIterator1, class BinaryPredicate = equal_to<>>class default_searcher {public:constexpr default_searcher(ForwardIterator1 pat_first, ForwardIterator1 pat_last, BinaryPredicate pred = BinaryPredicate()); templateconstexpr pair<ForwardIterator2, ForwardIterator2>operator()(ForwardIterator2 first, ForwardIterator2 last) const; private: ForwardIterator1 pat_first_; // exposition only ForwardIterator1 pat_last_; // exposition only BinaryPredicate pred_; // exposition only};}
constexpr default_searcher(ForwardIterator1 pat_first, ForwardIterator1 pat_last, BinaryPredicate pred = BinaryPredicate());
Effects: Constructs a default_searcher object, initializing pat_first_ with pat_first, pat_last_ with pat_last, andpred_ with pred.
Throws: Any exception thrown by the copy constructor of BinaryPredicate orForwardIterator1.
template<class ForwardIterator2> constexpr pair<ForwardIterator2, ForwardIterator2> operator()(ForwardIterator2 first, ForwardIterator2 last) const;
Effects: Returns a pair of iterators i and j such that
i == search(first, last, pat_first_, pat_last_, pred_), and
if i == last, then j == last, otherwise j == next(i, distance(pat_first_, pat_last_)).