OrderedHash - A hash that you specify the possible keys and theirs order
use OrderedHash;
my %oh1 does OrderedHash = b => 2, c => 3, a => 1;
say %oh1.keys; # (a b c)
say %oh1.values; # (1 2 3)
say %oh1.kv; # (a 1 b 2 c 3)
say %oh1.pairs; # (a => 1 b => 2 c => 3)
my %oh2 does OrderedHash[Int] = b => 2, a => 1;
say %oh2.keys; # (a b)
say %oh2.values; # (1 2)
say %oh2.kv; # (a 1 b 2)
say %oh2.pairs; # (a => 1 b => 2)
%oh2<c> = 3;
say %oh2; # {a => 1, b => 2, c => 3}
# %oh2<d> = "error"; # dies
my %oh3 does OrderedHash[:keys<c b a>] = b => 2, c => 1, a => 3;
say %oh3.keys; # (c b a)
say %oh3.values; # (1 2 3)
say %oh3.kv; # (c 1 b 2 a 3)
say %oh3.pairs; # (c => 1 b => 2 a => 3)
my %oh4 does OrderedHash[Str, :keys<c b a>] = b => "b", c => "a", a => "c";
say %oh4.keys; # (c b a)
say %oh4.values; # (a b c)
say %oh4.kv; # (c a b b a c)
say %oh4.pairs; # (c => a b => b a => c)OrderedHash is ...
Fernando Correa de Oliveira fernandocorrea@gmail.com
Copyright 2018 Fernando Correa de Oliveira
This library is free software; you can redistribute it and/or modify it under the Artistic License 2.0.