Programming notes - followers_ids()の使い方
my $friends = eval { $t->followers_ids() };
if ( $friends ) {
print Dumper $friends;
my $ids = $friends->{'ids'};
print "ttt:" . $ids->[0] . "\n";
print utf8::is_utf8($friends->{'ids'}) ? 'flagged' : 'no flag';
}