Hmmm... That is not what the documentation says (at least for versions 5.10 and 5.8.8)

undef - Undefines the value of EXPR, which must be an lvalue. Use only on a scalar value, an array (using "@"), a hash (using "%"), a subroutine (using "&"), or a typeglob (using "*")

citromatik

In reply to Re^2: Tell me how it works! by citromatik
in thread Tell me how it works! by nagalenoj

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