Associative Arrays (Hashes)

A hash (also called associative array) is a set of key,value pairs
where the keys are unique strings and the values can have any, err value.

Hashes always start with a % (percentage) sign.

#!/usr/bin/perl6
use v6;

my %user_a = "fname", "Foo", "lname", "Bar";

my %user_b = 
    "fname" => "Foo", 
    "lname" => "Bar",
;

say %user_a{"fname"};
%user_a{"email"} = "foo@bar.com";
say %user_a{"email"};

say %user_b<lname>;