Yes, the keys function returns temporary copies of the keys while values returns the actual values. So 
$_++ for @a;           # modifies each element of @a
$_++ for values %hash; # modifies every value of %hash
$_++ for keys %hash;   # doesn't do anything useful

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Dave.

In reply to Re^3: goto HACK by dave_the_m
in thread goto HACK by Anonymous Monk

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