That's clear and understandable, and what I would have thought too. (</metoo> ;-)

But I am still puzzled as to what is happening in the example of 

my @a = (1);
foreach (@a) { push @a, 1; }

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In reply to Re^2: How foreach loops decide what to iterate through by jvector
in thread How foreach loops decide what to iterate through by lefthanded

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