7 - Attribute::Handlers

Allows annotation of code (subs, scalars, etc).

use Attribute::Attempts;

# Alter db will try three times before failing
sub alter_db : attempts(tries => 3, delay => 2)
{
    ...
}

use Attribute::Types;

my $date    : INTEGER(1..31);    # Can only store an int between 1..31
my $x : Type(/good|bad|ugly/);   # Can only store regex matches
my @rain    : NUMBER;            # Elements can only store numbers