Data Structures

Flow currently supports arrays and pairs.

Arrays

Example:

> [1, 2, 3] -> map -> * 2 -> unmap -> output
[2, 4, 6].

Pairs are a restricted version of tuples, consisting of exactly two elements.

> (1, 2) -> unpair (fst:-> + 2 ->) (snd:-> - 1 ->) pair -> output
(3, 1).