well, I just tried
Plack::Middleware::InteractiveDebugger, what it is, is it provides a stacktrace, stackframe .... like an enhanced version of
Plack::Middleware::StackTrace
it also allows you to run arbitrary perl code
you're supposed to be able to view vars at each stackframe , but that doesn't work -- and that is only other functionality that is anything like perl5db.pl
Not surprising, those things are hard to reinvent, require a lot of work ... Miyagawa can't do everything, someone has to pick up the slack, speaking of which, another abandoned proof of concept is Plack::Middleware::Scrutiny ... had more potential (its based on Devel::ebug)
Then see Plack::Debugger / LPW2014 Stevan Little stevan Plack::Debugger A new debugger for Plack Applications - YouTube
Debuggers are a lot of work, a lot of them get started ...
I always found using debuggers more work than actual work
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