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nth_value(+Domain, ++N, -Value)

return the nth value in a domain

Domain: a domain list
N: an integer
Value: a free variable

Description

Find the nth value in a domain given by a list of integers and intervals, as it is returned for example by fd's ::/2.

Fail Conditions

There are less than N values in the domain.

Resatisfiable

no

Examples

% a typical use

         ....
         X :: L,
	 nth_value(L,2,Value),

See Also

fd : :: / 2, suspend : :: / 2, range : :: / 2, eplex : :: / 2, ria : :: / 2, fdplex : :: / 2, fd_sets : :: / 2, ic : :: / 2