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Ruby
destructive! operations
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[QUOTE="mark sparshatt, post: 4460484"] ES wrote: The problem with this solution is the new object won't behave like nil in an if expression if ob.not_nil?.do_something code end would run the code when obj is nil There seems to be 2 requirements the nil object shouldn't be changed, in order to not hide any errors the new nil object should behave like nil when tested that's why it can't be done in pure ruby [/QUOTE]
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