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# File 'lib/devp2p/configurable.rb', line 6
def add_config(configs)
raise ArgumentError, 'self must be a class' unless self.class == Class
configs.each do |name, default|
singleton_class.send(:define_method, name) do |*args|
iv = "@#{name}"
if args.empty?
if instance_variable_defined?(iv)
instance_variable_get(iv)
else
v = superclass.respond_to?(:add_config) && superclass.respond_to?(name) ?
superclass.public_send(name) : default
instance_variable_set(iv, v)
end
else
instance_variable_set(iv, args.first)
end
end
define_method(name) do |*args|
self.class.public_send name, *args
end
end
end
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