He's changing Perl itself. I don't know if his modules take advantage of his changes yet, but some of his modules should provide ideas as well.

I didn't mention anything specific, because I don't know the specifics.

Devel::Declare, Devel::CallParser and Devel::CallChecker are definitely worth studying. The latter two do appear to take advantage of his change to Perl.

In reply to Re^3: Implicetely deparse, change and replace perlcode in file by ikegami
in thread Implicetely deparse, change and replace perlcode in file by LanX

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