------------------------------------------------------------------------

## concat

Function

Concatinate two lists.

       [a b c] [d e f] concat
    ----------------------------
           [a b c d e f]

### Crosslinks

[first]
[first_two]
[flatten]
[fourth]
[getitem]
[remove]
[rest]
[reverse]
[rrest]
[second]
[shift]
[shunt]
[size]
[sort]
[split_at]
[split_list]
[swaack]
[third]
[zip]