A.56 library(solution_sequences): Modify solution sequences
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Availability::- use_module(library(solution_sequences)).(can be autoloaded)
Sourceorder_by(+Spec, :Goal)
Order solutions according to Spec. Spec is a list of terms, where each element is one of. The ordering of solutions of Goal that only differ in variables that are not shared with Spec is not changed.
asc(Term)
Order solution according to ascending Term
desc(Term)
Order solution according to descending Term

This predicate is based on findall/3 and (thus) variables in answers are copied.