use strict;
use Furl;
my $furl = Furl::HTTP->new(
agent => '',
timeout => 3,
);
my $res = $furl->get('https://en.wikipedia.org/');
die $res->status_line unless $res->is_success;
print $res->content;
ERROR:
Can't call method "is_success" on unblessed reference
ERROR: