JezK
Edit File: properties.rb
module Celluloid # Properties define inheritable attributes of classes, somewhat similar to # Rails cattr_*/mattr_* or class_attribute module Properties def property(name, opts = {}) default = opts.fetch(:default, nil) multi = opts.fetch(:multi, false) ivar_name = "@#{name}".to_sym ancestors.first.send(:define_singleton_method, name) do |value = nil, *extra| if value value = value ? [value, *send(name), *extra].uniq : [] if multi instance_variable_set(ivar_name, value) elsif instance_variables.include?(ivar_name) instance_variable_get(ivar_name) elsif superclass.respond_to? name superclass.send(name) else default end end end end end