use strict;
use warnings;
use lib './lib';
use Log::Maybe;                               # uses $ENV var
$LOG_LEVEL = debug;                           # enable/change log level
info('oh, yeah, baby!');                      # prints only if log level is info
debug('hi');                                  # prints if log level is debug or info
debug( 'wow', \%ENV );                        # dumps non-scalars
debugf( 'name: %s, age: %d', 'Jack', 23 );    # dumpf takes a sprintf form
$LOG_LEVEL = 0;                               # disable logging at runtime
debug('nothing is logged');                   # what it says on the tin