관리-도구

편집 파일: cloneable.rb

module Rake # ########################################################################## # Mixin for creating easily cloned objects. # module Cloneable # Clone an object by making a new object and setting all the instance # variables to the same values. def dup sibling = self.class.new instance_variables.each do |ivar| value = self.instance_variable_get(ivar) new_value = value.clone rescue value sibling.instance_variable_set(ivar, new_value) end sibling.taint if tainted? sibling end def clone sibling = dup sibling.freeze if frozen? sibling end end end