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Re^5: Could we save the memory occupied by "undef" in an array?

by ikegami (Patriarch)
on Nov 23, 2008 at 16:32 UTC ( #725444=note: print w/replies, xml ) Need Help??

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  1. or download this
    >perl -MDevel::Peek -le"@a=qw(a b c); Dump(\@a, 1); pop @a; Dump(\@a, 
    +1)"
    SV = RV(0x183c550) at 0x2260b4
    ...
        MAX = 3                 # 0..3 allocated
        ARYLEN = 0x0
        FLAGS = (REAL)
    

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