I have just come across the same problem. The way I solved it is that I simply created a log method in my module and I pass the messages to it. The method stores the messages in the object.
It is fairly easy for users to redefine the method (directly or by subclassing).
sub log {
my ($self, $msg) = @_;
push @{ $self->{log} }, {
timestamp => time,
message => $msg,
};
}
sub foo {
my ($self) = @_;
$self->log('Entered foo');
}
use strict; use warnings; print "Just Another Perl Hacker\n";
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