apoc.coll.pairs

Details
Syntax	`apoc.coll.pairs(list)`
Description	Returns a `LIST<ANY>` of adjacent elements in the `LIST<ANY>` ([1,2],[2,3],[3,null]).
Arguments	Name	Type	Description
	`list`	`LIST<ANY>`	The list to create pairs from.
Returns	`LIST<ANY>`

Usage examples

The following examples create a list of lists, where each nested list contains adjacent element pairs from the input list, using both APOC and Cypher:

apoc.coll.pairs

RETURN apoc.coll.pairs([1,2,3,4,5]) AS output;

Cypher’s list comprehension

WITH [1,2,3,4,5] AS list
RETURN [i IN range(0, size(list) - 1) | [list[i], list[i + 1]]] AS value

Results
Output
[[1, 2], [2, 3], [3, 4], [4, 5], [5, null]]