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S03 - Str autodecrement
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From:
Patrick R. Michaud
Date:
January 1, 2008 14:26
Subject:
S03 - Str autodecrement
Message ID:
20080101222629.GA5888@host.pmichaud.com
I'm working on S03 tests, and S03 says:
Perl 6 also supports Str decrement with similar semantics,
simply by running the cycles the other direction. However,
leftmost characters are never removed, and the decrement
fails when you reach a string like "aaa" or "000".
Is this "fails" as in "throws an Exception", "mutates into an
undef / Failure / Exception object", or something else entirely?
(Interested readers are encouraged to look at the "Exceptions"
section of S04 for notes about failure and exceptions.)
Thanks!
Pm
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S03 - Str autodecrement
by Patrick R. Michaud