push @return, $self->_rmap($_) for values %$_;

[download]
Hmm, if you do this another way, you must be able to avoid the problem: 
push @return, map { $self->_rmap($_) } values %$_;

[download]
Here, values is finished before the map even starts.

However... you won't have a problem in the original unless the values is traversed lazily. You never know...

In reply to Re^3: Perl leve control of hash iterators by bart
in thread Perl level control of hash iterators by bsb

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