func slices.partitionEqualOrdered

2 uses

	slices (current package)
		zsortordered.go#L111: 			mid := partitionEqualOrdered(data, a, b, pivot)
		zsortordered.go#L175: func partitionEqualOrdered[E cmp.Ordered](data []E, a, b, pivot int) (newpivot int) {