class Dry::Configurable::Settings

def <<(setting)
  settings[setting.name] = setting
  self
end

def [](name)
  settings[name]
end

def each(&block)
  settings.each_value(&block)
end

def initialize(settings = EMPTY_ARRAY)
  @settings = settings.each_with_object({}) { |s, m| m[s.name] = s }
end

def initialize_copy(source)
ngs = source.settings.dup

def key?(name)
  keys.include?(name)
end

def keys
  settings.keys
end