in reply to Joining array with elements of another array

Non-destructive; look ma, no List::MoreUtils...

use v5.12;

my @arrOfJoiners = ('!','*','?');
my @arrToJoin = (1,2,3,4);

say join "", map(($arrToJoin[$_], $arrOfJoiners[$_]), 0..$#arrToJoin);

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package Cow { use Moo; has name => (is => 'lazy', default => sub { 'Mooington' }) } say Cow->new->name

In Section Seekers of Perl Wisdom