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substr oddity

by Ytrew (Pilgrim)
on Mar 04, 2005 at 05:14 UTC ( #436457=note: print w/replies, xml ) Need Help??

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  1. or download this
    use strict;
    use warnings;
    ...
    foo( substr($x,2,1) ); # crashes here
    print "Alive!\n"; # not reached
    sub foo {}
    
  2. or download this
    use strict;
    use warnings;
    ...
    foo($y); # no-op
    print "Alive\n"; # we get here just fine
    sub foo {}
    

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[Corion]: LanX: Yes, that's the main problem - you have lots (and lots) of workarounds in various places and stages of the processing, and to clean that mess up requires action across the complete codebase. And it's almost impossible to do it piece-by-piece

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