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Re^3: Problems with map(function, array)

by LanX (Chancellor)
on Dec 10, 2012 at 21:30 UTC ( #1008167=note: print w/replies, xml ) Need Help??

in reply to Re^2: Problems with map(function, array)
in thread Problems with map(function, array)

the LIST elements are ALWAYS passed via $_ per iteration.

you call twice w/o parameters so $_[0] is undef and undef*2 == 0!

take again a look at my "add"-example to distiguish between parameters and iteration value

Cheers Rolf

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