(MIT) A Lisp operator which evaluates an expression and then, even if that expression causes a non-local exit, evaluates zero or more other expressions. This can be used to ensure that essential "clean-up" operations are performed even in the presence of errors.
Last updated: 1994-11-03
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Nearby terms: unswizzle « until « untyped « unwind-protect » unwind the stack » UN*X » unzip