use strict;
use warnings;
-use Carp qw/croak/;
-use POSIX qw/SIGUSR1 SIGUSR2/;
-use Time::HiRes qw/usleep/;
+use Carp qw<croak>;
+use POSIX qw<SIGUSR1 SIGUSR2>;
+use Time::HiRes qw<usleep>;
use Bit::MorseSignals::Emitter;
-use base qw/Bit::MorseSignals::Emitter/;
+use base qw<Bit::MorseSignals::Emitter>;
=head1 NAME