Digging around in the source, it appears that setting the global $^C (aka $COMPILING) will suppress the diagnostic printing. So you could do this:

sub is_deeply_quiet {
     local $^C=1;
     is_deeply(@_);
}

[download]

...and call it instead. I have no idea though, if that creates other undesirable side effects.

In reply to Re: Test::More is_deeply and binary data by kschwab
in thread Test::More is_deeply and binary data by ig

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