According to
each (and also to the more accurate
documentation you can get with
perldoc -f each)
your notion of "should" is incorrect.
Generally things should not work contrary to the
documentation. For more on why there is no apparent
order, see Re (tilly) 4: Flip Flop III - Musical Buckets.
In your case if you want to get the key/value pairs out
in a particular order, it is probably best to keep the keys
in an array, iterate over the array and extract the values
with a hash lookup.
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