Or even:

$attr{$_} = $self->$_ if $self->${\"has_$_"} for qw/x y w h/;

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

In reply to Re^2: Moose attribute predicate alternative by tobyink
in thread Moose attribute predicate alternative by antmico

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