The non-intrusive ad-hoc borrowing scheme…

Wed Nov 13 13:12:16 UTC 2019

On Wednesday, 13 November 2019 at 12:22:12 UTC, Ola Fosheim 
Grøstad wrote:
> That allows you to track borrowing during debugging/testing, 
> and turn it off in release mode.

You could also have a circular buffer that registers where 
borrowing/unborrowing happens, so that you can pinpoint which 
sourcecode line to look at.

(And still use the same tooling for static analysis of pointers 
that C++ will use + valgrind.)