Martin R wrote:
>
> It would make sense to have one function that produces a list l such that
> "construct(l)@domain" produces the original thing.
For Collection 'parts' gives such list:
parts : % -> List S
++ parts(u) returns a list of the consecutive elements of u.
++ For collections, \spad{parts([x, y, ..., z]) = (x, y, ..., z)}.
We probably should fix documentation of 'members' which falsely claims
the same.
Also, the above is false for sets but Set(X) has Collection...
More in more general setting there is no warranty that objects
can be build from a list. In fact there seem to be only a few
construct operations taking list as an argument...
--
Waldek Hebisch
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