# Make an array of hashes contain a unique value for key:
def uniquify_array(array, key)
  array.group_by { |item| item[key] }.map do |_, items|
    (items.length > 1) ? yield(items) : items.first
  end
end

# new_array = uniquify_array(array, :some_key) do |dupes|
#   dupes.max_by { |item| item[:updated_at] }
# end

# @PICOPACKAGE_START
# ---
# filename: uniquify_array.rb
# url: https://api.github.com/gists/525ac4177964549ee2f2ca7febd03eea
# version: 0.1
# source_url: https://gist.github.com/dkam/525ac4177964549ee2f2ca7febd03eea
# @PICOPACKAGE_END