It's probably overkill. You could do this...

# SUBS

my $log = Log->new();

sub do_this{
    $log->log('Log This');
}

sub do_that{
    $log->log('Log That');
}

[download]

Or even this...

# SUBS

my $log;

sub do_this{
    ($log||=Log->new)->log('Log This');
}

sub do_that{
    ($log||=Log->new)->log('Log That');
}

[download]
package Cow { use Moo; has name => (is => 'lazy', default => sub { 'Mooington' }) } say Cow->new->name

In reply to Re: Logging Singleton by tobyink
in thread Logging Singleton by Anonymous Monk

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