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?Set :: ++Lwb..++Upb

Set is an integer set within the given bounds
A free variable, set variable or an integer list
Structure holding two lists of integers


This syntax is deprecated, please use in_set_range/2 instead!

Lwb and Upb are two lists of integers. Lwb must be a sublist of Upb. Set is unified with a set variable whose lower bound is the set of list elements of Lwb, and whose upper bound is the set of list elements of Upb.

Fail Conditions

Lwb is not a sublist of Upb


(5) type error
Set is not a variable or list, or Lwb..Upb is not a ../2 structure

See Also

in_set_range / 2, intset / 3, intsets / 4