Thanks for the sample code -- I imagined that it might be a lot more complicated. I'm fairly new to Moose.

You have to ask yourself, why do i need to add attributes at runtime and if still valid, why do i need Moose sugar to make my code only slightly easier for me to churn out at the expense of reinventing Moose, as the "contentious solution" you linked to points out.

A fair point. It may be necessary to total some of the fields in a collection of Moose objects -- that's the only reason I can think of right now.

My preference is just to stick with a simple array of hashrefs until it's necessary to get more complicated.

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