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using <pre> tags for citing perldocs!

by LanX (Sage)
on Aug 02, 2010 at 13:44 UTC ( #852471=monkdiscuss: print w/replies, xml ) Need Help??

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            The auto-increment operator has a little extra builtin magic t
    +o it.
     
    ...
           "undef" is always treated as numeric, and in particular is chan
    +ged to 0
           before incrementing (so that a post-increment of an undef value
    + will
           return 0 rather than "undef").
    

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