Reading the linked discussions reveals that the problem is related to lvalues and composed expressions (like ++$i) with side effects.

shift is a simple expression (a builtin in this case), has no side-effects and returns an rvalue.

Cheers Rolf

( addicted to the Perl Programming Language)

In reply to Re: Order of execution of functions in list by LanX
in thread Order of execution of functions in list by vsespb

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