Xor filters - efficient probabilistic hashsets. Faster and smaller than bloom and cuckoo filters.

RiteLinked - LinkedHashMap & LinkedHashSet in Rust

Rust implementation of the DCSO Bloom filter

Declarative macros for statically initializing collections with ease

Fixed BitSet not limited to usize; intended as a replacement for HashSet

Remotely observable collection types

HashMap and HashSet replacements that implement the Hash trait

Collision-prone memory-efficient collections

A hybrid map/set data-structure for Enums, using the variant an enum as a key.

An implementation of `std :: hash :: Hasher` which does not hash at all.