zip4

The zip4 function takes four lists and returns a list of quadruples, analogous to zip. It is capable of list fusion, but it is restricted to its first list argument and its resulting list.
zip4 takes four sequences and returns a sequence of quadruples, analogous to zip.
O(1) Zip 4 vectors
O(1). Zip some unboxed arrays. The shapes must be identical else error.
Zip four arrays
Zip 4 lists of the same size
zip4 takes four vectors and returns a list of quadruples, analogous to zip.
Like zip, but works with 4 collections.
Zip four infinite lists.
zip4 takes four sequences and returns a sequence of quadruples, analogous to zip.
zip4 four lists together.
Zip together four non-empty vectors.