module Pione::Util::VariableHoldable
Public Class Methods
included(subclass)
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# File lib/pione/util/variable-holdable.rb, line 5 def included(subclass) class << subclass attr_reader :variable_holders def hold_variable(name) (@variable_holders ||= []) << name end def hold_variables(*names) names.each {|name| hold_variable(name)} end attr_reader :variable_included def include_variable(b) @variable_included = b end end end
Public Instance Methods
include_variable?()
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# File lib/pione/util/variable-holdable.rb, line 26 def include_variable? unless self.class.variable_included.nil? return self.class.variable_included else self.class.variable_holders.any? do |var| val = instance_variable_get("@%s" % var) val == self or val.nil? ? false : val.include_variable? end end end