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Re^3: Could we save the memory occupied by "undef" in an array?

by ikegami (Patriarch)
on Nov 23, 2008 at 04:26 UTC ( #725388=note: print w/replies, xml ) Need Help??

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  1. or download this
    >perl -MDevel::Peek -e"$a[2]=undef; $a[3]=3; Dump \@a"
    SV = RV(0x183c518) at 0x22609c
    ...
          REFCNT = 1
          FLAGS = (IOK,pIOK)
          IV = 3
    

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