There was a new release of the YAML module a few days ago addressing this problem.

use Moops; class Cow :rw { has name => (default => 'Ermintrude') }; say Cow->new->name

In reply to Re^2: In order to run old version Catalsyt, install Module ;and catalyst.pl dosen't work by tobyink
in thread In order to run old version Catalsyt, install Module ;and catalyst.pl dosen't work by Thai Heng

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