1use Test::More; 2use strict; use warnings FATAL => 'all'; 3 4use List::Objects::WithUtils 'array'; 5 6my ($evens, $odds) = array( 1 .. 6 )->part(sub { $_ & 1 })->all; 7 8is_deeply 9 [ $evens->all ], 10 [ 2,4,6 ], 11 'part() with args picked evens ok'; 12 13is_deeply 14 [ $odds->all ], 15 [ 1,3,5 ], 16 'part() with args picked odds ok'; 17 18my $parts_n = do { 19 my $i = 0; 20 array(1 .. 12)->part(sub { $i++ % 3 }); 21}; 22 23ok( $parts_n->count == 3, 'part() created 3 arrays' ); 24 25is_deeply 26 [ $parts_n->get(0)->all ], 27 [ 1, 4, 7, 10 ], 28 'part() first array ok'; 29 30is_deeply 31 [ $parts_n->get(1)->all ], 32 [ 2, 5, 8, 11 ], 33 'part() second array ok'; 34 35is_deeply 36 [ $parts_n->get(2)->all ], 37 [ 3, 6, 9, 12 ], 38 'part() third array ok'; 39 40my $parts_single = array(1 .. 12)->part(sub { 3 }); 41 42ok( $parts_single->get(0)->count == 0, 'part() 0 empty ok' ); 43ok( $parts_single->get(1)->count == 0, 'part() 1 empty ok' ); 44ok( $parts_single->get(2)->count == 0, 'part() 2 empty ok' ); 45 46is_deeply 47 [ $parts_single->get(3)->all ], 48 [ 1 .. 12 ], 49 'part() 3 filled ok'; 50 51 52 53done_testing; 54