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Re: Distiguishing arguments: number-strings vs real integer

by Tux (Abbot)
on Aug 10, 2018 at 12:55 UTC ( #1220192=note: print w/replies, xml ) Need Help??

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  1. or download this
    $ perl -MDP -wE'sub foo{DDumper[DDual($_[0])]};foo(42);foo("42");'
    [   undef,
    ...
      IV: SV_UNDEF
      NV: SV_UNDEF
      RV: SV_UNDEF
    
  2. or download this
    my ($pv, $iv, $nv, $rv, $hm) = DDual ($var [, $getmagic])
    

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