ActiveRecord like finders for Arrays

array_finders.rb

class Array
  def find_by!(attributes)
    find_by(attributes) || fail('No element found')
  end
  
  def find_by(attributes)
    detect do |item|
      attributes.collect do |key, value|
        item.public_send(key) == value
      end.reduce(:&)
    end
  end

  def where(attributes)
    select do |item|
      attributes.collect do |key, value|
        item.public_send(key) == value
      end.reduce(:&)
    end
  end
end