use Test::More;
use strict; use warnings FATAL => 'all';
use List::Objects::WithUtils 'array';
my $arr = array(qw/ a ba bb c /);
my $firstidx = $arr->firstidx(sub { /^b/ });
ok $firstidx == 1, 'firstidx ok';
ok $arr->first_index(sub { /^b/ }) == $firstidx,
'first_index alias ok';
done_testing;