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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Exceptions/Factor/exceptions-3.factor Normal file
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! Preferred exception handling
: try-foo
[ foo ] [ foo-failed ] recover ;
: try-bar
[ bar ] [ bar-errored ] [ bar-always ] cleanup ;
! Used rarely
[ "Fail" throw ] try ! throws a "Fail"
[ "Fail" throw ] catch ! returns "Fail"
[ "Hi" print ] catch ! returns f (looks the same as throwing f; don't throw f)
[ f throw ] catch ! returns f, bad! use recover or cleanup instead