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d001539a05
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32217 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
25 lines
665 B
Ruby
25 lines
665 B
Ruby
module Rake
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# ##########################################################################
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# Mixin for creating easily cloned objects.
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#
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module Cloneable
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# Clone an object by making a new object and setting all the instance
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# variables to the same values.
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def dup
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sibling = self.class.new
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instance_variables.each do |ivar|
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value = self.instance_variable_get(ivar)
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new_value = value.clone rescue value
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sibling.instance_variable_set(ivar, new_value)
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end
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sibling.taint if tainted?
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sibling
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end
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def clone
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sibling = dup
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sibling.freeze if frozen?
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sibling
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end
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end
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end
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