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prodigal_erik
on Jan 4, 2012
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A Programming Idiom You've Never Heard Of
That looks like Common Lisp, which also has a general version named unwind-protect:
http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec...
SeanLuke
on Jan 4, 2012
[–]
Not really. unwind-protect is just Lisp's version of Java's "finally" statement.
prodigal_erik
on Jan 4, 2012
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Oh you're right, it'd need to take a param with the setup form(s) and somehow look up the corresponding cleanup form(s), sort of like getter and setter code registered with setf.
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