RobinDict

RobinDict provides a standard dictionary, conforming to the AbstractDict protocol, which uses the Robin Hood hashing algorithm with backward-shift deletion to provide improved average performance over Dict.

The interface of RobinDict replicates that of Dict. This has an ordered version called OrderedRobinDict, which replicates the interface of OrderedDict.

Examples:

julia> d = RobinDict{Int, Char}(1 => 'a', 2 => 'b')
RobinDict{Int64,Char} with 2 entries:
  2 => 'b'
  1 => 'a'

julia> d[3] = 'c';

julia> collect(d)
3-element Array{Pair{Int64,Char},1}:
 2 => 'b'
 3 => 'c'
 1 => 'a'

julia> delete!(d, 2);

julia> d[1]
'a': ASCII/Unicode U+0061 (category Ll: Letter, lowercase)

julia> d
RobinDict{Int64,Char} with 2 entries:
  3 => 'c'
  1 => 'a'

julia> pop!(d)
3 => 'c'