Problem: Grouping

Code: Grouping/tails_1645506898

Nibbles version: 0.2 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 | 1.00

Format: Compact | Simple | +Type | Table | JSON | .nbl (DeBruijn) | .nbl (names)

: (append):[chr] 
    \ (reverse):[int] 
        `< (sort):[int] 
            . (map):[int] 
                =~ (group by (also sorts)):[[int]] 
                    _ (= ints):[int] 
                    $ (= A):int <--arg( A:int ) 
                , (length):int <--arg( B:[int] ) 
                    $ (= B):[int] 
    "\n" (string):[chr]