multikey-hash
Generates a hash based on function arguments
Generates a hash based on function arguments
HashMap that supports using one or more keys of any type.
A map where multiple keys point to a single value, and the removal of a single key removes all matching key-value pairs.
comparison (ordering) function for objects by specifying one or more fields, similar to SQL's ORDER BY clause
Map with multiple keys per value
Multikeys data structures collection