That would be the first formula from Lemma 6.3.

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

In reply to Re^2: [OT] Call to arms for mathematicians: by tobyink
in thread [OT] Call to arms for mathematicians:(Update: please ignore!) by BrowserUk

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