for the same goal, letting Data::Dumper dump out with the variable name, i wrote a little vi mapping:
:imap dumper <ESC>^iwarn Data::Dumper->Dump([\<ESC>llyw$a], ['<ESC>pa']);<ESC>
type in
my @array = function();
@arraydumper
and get
my @array = function();
warn Data::Dumper->Dump([\@array], ['array']);
i use this regularly, it's a real help for debugging.
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