Sha256: 91e2cb17918adabd6699d456d6ed655cde0f573cada02d1801dcdf68f43142a6
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Size: 947 Bytes
Versions: 12
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Stored size: 947 Bytes
Contents
module Celluloid
module Internals
# 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
singleton = class << ancestors.first; self; end
singleton.send(:remove_method, name) rescue nil
singleton.send(:define_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
end
Version data entries
12 entries across 12 versions & 1 rubygems