Ruby on Rails

tmp_hash = {}
roles.map(&:abilities).each do |ability|
tmp_hash[ability[1,2]] = ability
end
abilities_array = tmp_hash.values

Or with tap:

abilities_array = {}.tap { |tmp_hash|
roles.map(&:abilities).each do |ability|
tmp_hash[ability[1,2]] = ability
end
}.values


Thank you, it looks much better =)

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