271 // - a bad hash functor (an integral type in place of a hash);
272 // - an allocator in place of a hash functor;
279   using Hash = std::hash<int>;  in UnorderedContainerDeductionGuidesSfinaeAway()  local
307   // (iter, iter, buckets, hash)  in UnorderedContainerDeductionGuidesSfinaeAway()
309   // Cannot deduce from (BAD_iter, BAD_iter, buckets, hash)  in UnorderedContainerDeductionGuidesSfinaeAway()
310   static_assert(SFINAEs_away<Container, BadIter, BadIter, std::size_t, Hash>);  in UnorderedContainerDeductionGuidesSfinaeAway()
312       SFINAEs_away<Container, OutputIter, OutputIter, std::size_t, Hash>);  in UnorderedContainerDeductionGuidesSfinaeAway()
318   // (iter, iter, buckets, hash, pred)  in UnorderedContainerDeductionGuidesSfinaeAway()
320   // Cannot deduce from (BAD_iter, BAD_iter, buckets, hash, pred)  in UnorderedContainerDeductionGuidesSfinaeAway()
321   static_assert(SFINAEs_away<Container, BadIter, BadIter, std::size_t, Hash, Pred>);  in UnorderedContainerDeductionGuidesSfinaeAway()
323       SFINAEs_away<Container, OutputIter, OutputIter, std::size_t, Hash, Pred>);  in UnorderedContainerDeductionGuidesSfinaeAway()
328   // Note: (iter, iter, buckets, hash, ALLOC_as_pred) is allowed -- it just  in UnorderedContainerDeductionGuidesSfinaeAway()
329   // calls (iter, iter, buckets, hash, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
331   // (iter, iter, buckets, hash, pred, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
333   // Cannot deduce from (BAD_iter, BAD_iter, buckets, hash, pred, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
335       SFINAEs_away<Container, BadIter, BadIter, std::size_t, Hash, Pred, Alloc>);  in UnorderedContainerDeductionGuidesSfinaeAway()
337       std::size_t, Hash, Pred, Alloc>);  in UnorderedContainerDeductionGuidesSfinaeAway()
343   // Cannot deduce from (iter, iter, buckets, hash, ALLOC_as_pred, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
345       SFINAEs_away<Container, Iter, Iter, std::size_t, Hash, AllocAsPred, Alloc>);  in UnorderedContainerDeductionGuidesSfinaeAway()
346   // Cannot deduce from (iter, iter, buckets, hash, pred, BAD_alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
348       SFINAEs_away<Container, Iter, Iter, std::size_t, Hash, Pred, BadAlloc>);  in UnorderedContainerDeductionGuidesSfinaeAway()
357   // buckets, hash), which is valid because the only requirement for the hash  in UnorderedContainerDeductionGuidesSfinaeAway()
368   // (iter, iter, buckets, hash, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
370   // Cannot deduce from (BAD_iter, BAD_iter, buckets, hash, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
371   static_assert(SFINAEs_away<Container, BadIter, BadIter, std::size_t, Hash, Alloc>);  in UnorderedContainerDeductionGuidesSfinaeAway()
373       SFINAEs_away<Container, OutputIter, OutputIter, std::size_t, Hash, Alloc>);  in UnorderedContainerDeductionGuidesSfinaeAway()
378   // Note: (iter, iter, buckets, hash, BAD_alloc) is interpreted as (iter, iter,  in UnorderedContainerDeductionGuidesSfinaeAway()
379   // buckets, hash, pred), which is valid because there are no requirements for  in UnorderedContainerDeductionGuidesSfinaeAway()
382   // (init_list, buckets, hash)  in UnorderedContainerDeductionGuidesSfinaeAway()
389   // (init_list, buckets, hash, pred)  in UnorderedContainerDeductionGuidesSfinaeAway()
395   // Note: (init_list, buckets, hash, ALLOC_as_pred) is interpreted as  in UnorderedContainerDeductionGuidesSfinaeAway()
396   // (init_list, buckets, hash, alloc), which is valid.  in UnorderedContainerDeductionGuidesSfinaeAway()
398   // (init_list, buckets, hash, pred, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
406   // Cannot deduce from (init_list, buckets, hash, ALLOC_as_pred, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
408       SFINAEs_away<Container, InitList, std::size_t, Hash, AllocAsPred, Alloc>);  in UnorderedContainerDeductionGuidesSfinaeAway()
409   // Cannot deduce from (init_list, buckets, hash, pred, BAD_alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
411       SFINAEs_away<Container, InitList, std::size_t, Hash, Pred, BadAlloc>);  in UnorderedContainerDeductionGuidesSfinaeAway()
416   // buckets, hash), which is valid because the only requirement for the hash  in UnorderedContainerDeductionGuidesSfinaeAway()
419   // (init_list, buckets, hash, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
449   // (from_range, range, buckets, hash)  in UnorderedContainerDeductionGuidesSfinaeAway()
451   // Can deduce from (from_range, range, buckets, hash)  in UnorderedContainerDeductionGuidesSfinaeAway()
452   static_assert(!SFINAEs_away<Container, std::from_range_t, Range, std::size_t, Hash>);  in UnorderedContainerDeductionGuidesSfinaeAway()
453   // Cannot deduce from (from_range, BAD_range, buckets, hash)  in UnorderedContainerDeductionGuidesSfinaeAway()
454   static_assert(SFINAEs_away<Container, std::from_range_t, BadRange, std::size_t, Hash>);  in UnorderedContainerDeductionGuidesSfinaeAway()
458   // (from_range, range, buckets, hash, pred)  in UnorderedContainerDeductionGuidesSfinaeAway()
460   // Can deduce from (from_range, range, buckets, hash, pred)  in UnorderedContainerDeductionGuidesSfinaeAway()
461   static_assert(!SFINAEs_away<Container, std::from_range_t, Range, std::size_t, Hash, Pred>);  in UnorderedContainerDeductionGuidesSfinaeAway()
462   // Cannot deduce from (from_range, BAD_range, buckets, hash, pred)  in UnorderedContainerDeductionGuidesSfinaeAway()
463   static_assert(SFINAEs_away<Container, std::from_range_t, BadRange, std::size_t, Hash, Pred>);  in UnorderedContainerDeductionGuidesSfinaeAway()
467   // (from_range, range, buckets, hash, pred, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
469   // Can deduce from (from_range, range, buckets, hash, pred, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
470   static_assert(!SFINAEs_away<Container, std::from_range_t, Range, std::size_t, Hash, Pred, Alloc>);  in UnorderedContainerDeductionGuidesSfinaeAway()
471   // Cannot deduce from (from_range, BAD_range, buckets, hash, pred, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
472 …static_assert(SFINAEs_away<Container, std::from_range_t, BadRange, std::size_t, Hash, Pred, Alloc>…  in UnorderedContainerDeductionGuidesSfinaeAway()
475   // Cannot deduce from (from_range, range, buckets, hash, pred, BAD_alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
476 …static_assert(SFINAEs_away<Container, std::from_range_t, Range, std::size_t, Hash, Pred, BadAlloc>…  in UnorderedContainerDeductionGuidesSfinaeAway()
484 …ge, range, buckets, BAD_alloc) is interpreted as (from_range, range, buckets, hash), which is valid  in UnorderedContainerDeductionGuidesSfinaeAway()
485   // because the only requirement for the hash parameter is that it's not integral.  in UnorderedContainerDeductionGuidesSfinaeAway()
497   // (from_range, range, buckets, hash, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
499   // Can deduce from (from_range, range, buckets, hash, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
500   static_assert(!SFINAEs_away<Container, std::from_range_t, Range, std::size_t, Hash, Alloc>);  in UnorderedContainerDeductionGuidesSfinaeAway()
501   // Cannot deduce from (from_range, BAD_range, buckets, hash, alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
502   static_assert(SFINAEs_away<Container, std::from_range_t, BadRange, std::size_t, Hash, Alloc>);  in UnorderedContainerDeductionGuidesSfinaeAway()
507   // Cannot deduce from (from_range, range, buckets, hash, BAD_alloc)  in UnorderedContainerDeductionGuidesSfinaeAway()
508 …// Note: (from_range, range, buckets, hash, BAD_alloc) is interpreted as (from_range, range, bucke…  in UnorderedContainerDeductionGuidesSfinaeAway()