OK, thanks. I may have been thinking along the lines of: 

has x => (..., default => 'abc');
has y => (..., default => sub { [qw{a b c}] });

[download]

where that second line can't be written as: 

has y => (..., default => [qw{a b c}]);

[download]

But, of course, in the constructor you use the values as is (without needing a coderef): 

...->new(x => 'def', y => [qw{d e f}]);

[download]

— Ken

In reply to Re^4: Moose 'clone' Constructor by kcott
in thread Moose 'clone' Constructor by kcott

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