Ruby/Hash/Key value

Материал из Wiki.crossplatform.ru

objects within a hash are given a key that points to them.

dictionary = { "cat" => "feline animal", "dog" => "canine animal" }

The variable storing the hash is dictionary, and it contains two entries

dictionary = { "cat" => "feline animal", "dog" => "canine animal" }
 
puts dictionary.size