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package combinat
Internal iterators for combinatorial objects.
val partitions : n:int -> k:int -> int array iterIterator over the partitions of an integer n into k parts.
val partitions_with_zeros : n:int -> k:int -> int array iterIterator over the partitions of an integer n into k parts, including partitions where some elements are zero.
val permutations : 'a list -> 'a array iterIterator over the permutations of a set of n elements.
permutations ~n:3 = [0;1;2]; [0;2;1]; [1;0;2]; [1;2;0]; [2;0;1]; [2;1;0]
val sequences : 'a list -> k:int -> 'a array iterIterator over the sequences of length k of a list of elements. Sequences are a superset of combinations that also consider every ordering.
val sequences_restricted : 'a list list -> 'a array iterIterator over all sequences where the ith element of the sequence comes from the ith list.
val combinations : 'a list -> k:int -> 'a array iterIterator over the combinations of size k a set of n elements.
combinations ~n:4 ~k:2 = [0;1]; [0;2]; [0;3]; [1;2]; [1;3]; [2;3]
val compositions : n:int -> k:int -> int array iterIterator over the k compositions of an integer n.