Documentation for sub diag assembled from the following pages:
Module: Test §
From Test
(Test) sub diag §
sub diag()Display diagnostic information in a TAP-compatible manner on the standard error stream. This is usually used when a particular test has failed to provide information that the test itself did not provide. Or it can be used to provide visual markers on how the testing of a test-file is progressing (which can be important when doing stress testing).
diag "Yay! The tests got to here!";