Why not Object#or

or.rb

class Object
  def or(fallback)
    self || fallback
  end
end

1.or :name
=> 1

nil.or :name
=> :name

false.or :name
=> :name

config.or({})
=> {}
config.or({})[:value]
=> nil

config = { value: 1 }
=> { :value => 1 }
config.or({})[:value]
=> 1