It's claiming that roles don't support array references for around method modifiers... i.e. Moose stuff. It's saying that this doesn't work...
use v5.14;
package Local::Role {
use Moose::Role;
around [qw/ a b /] => sub { say "constant access" };
}
package Local::Class {
use Moose; with 'Local::Role';
use constant { a => 1, b => 2 };
}
# Should print "constant access" twice
Local::Class->a;
Local::Class->b;
On my machine, the above does work though, so it's likely that you're running a very old Moose/Class::MOP. Judging from Moose::Manual::Delta this may have been introduced in Moose 0.95; current version is 2.0604.
package Cow { use Moo; has name => (is => 'lazy', default => sub { 'Mooington' }) } say Cow->new->name
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