func slices.partitionOrdered

2 uses

	slices (current package)
		zsortordered.go#L116: 		mid, alreadyPartitioned := partitionOrdered(data, a, b, pivot)
		zsortordered.go#L137: func partitionOrdered[E cmp.Ordered](data []E, a, b, pivot int) (newpivot int, alreadyPartitioned bool) {