Re: [Moo] Confused about cloning a collection

[Sanford Whiteman]

> this doesn't clone the elements but rather creates two sets.

I  know,  it's  making two copies -- no idea know whether the real use
case  would  make this inapplicable, but it is functionally ident'l to
cloning  at  the  moment  of  adoption  if  you  aren't making changes
in-between.