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mikeric/array_keyed_hash.rb

Last active December 26, 2015 11:29
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Initialize a new Hash that can be accessed through individual objects in it's array keys.
Raw
array_keyed_hash.rb
hash = Hash.new{|hash, key| hash[hash.keys.detect{|k| k.include?(key)}]}
hash[%w(foo bar baz)] = ['hello', 'world']
hash # => {["foo", "bar", "baz"] => ["hello", "world"]}
hash['foo'] # => ["hello", "world"]
hash['bar'] # => ["hello", "world"]
hash['baz'] # => ["hello", "world"]
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