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Re^2: Dualvars besides $!

by ikegami (Pope)
on Jan 27, 2014 at 20:01 UTC ( #1072269=note: print w/ replies, xml ) Need Help??

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  1. or download this
    perl -MScalar::Util=isdual -MDevel::Peek \
       -e'$!=1; print("$!\n"); print(isdual($!)?1:0,"\n"); Dump($!);'
    

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