Coverage checks are intended to determine how much of your code is exercised by your test suite. The basic presumption is that your test suite should call everything. If something is missed it's an indication that your test suite either needs more tests, or you have functions you aren't using.

This differs from checking for unused functions by a chunk of code. A chunk of code, be it a script or a module, is not necessarily supposed to call every function possible on any given execution.

In reply to Re^8: Cleaning up unused subroutines by Somni
in thread Cleaning up unused subroutines by koknat

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