Gets all values in an environment, a list, or a list environment
and returns an object of the same class (and dimensions).
All future elements are replaced by their corresponding
value()
values. For all other elements, the existing
object is kept.
values(x, ...)
An environment, a list, or a list environment.
Additional arguments passed to value()
of each future.
An object of same type as x
and with the same names
and/or dimensions, if set.