core::hashmap::linear::Linear{Map,Set} -> core::hashmap::Hash{Map,Set} #5696
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This naming is free now that
oldmap
has finally been removed, so this is a search-and-replace to take advantage of that. It might as well be calledHashMap
instead of being named after the specific implementation, since there's only one.SipHash distributes keys so well that I don't think there will ever be much need to use anything but a simple hash table with open addressing. If there is a better way to do it, it will probably be better in all cases and can just be the default implementation.
A cuckoo-hashing implementation combining a weaker hash with SipHash could be useful, but that won't be as general purpose - you would need to write a separate fast hash function specialized for the type to really take advantage of it (like taking a page from libstdc++/libc++ and just using the integer value as the "hash"). I think a more specific naming for a truly alternative implementation like that would be fine, with the nice naming reserved for the general purpose container.