File size: 621 Bytes
557a17a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 | `[
[[n,map],[[v,f1],[v,n1],[v,n]],":-",[[[n,number],[[v,f1]]],[[n,add],[[v,n1],[v,f1],[v,n]]]]],
[[n,map],[[v,f1],[v,l],[v,n]],":-",[[[n,equals1],[[v,f1],[[v,f11],[v,f12]]]],[[n,=],[[v,f11],[n,add]]],[[n,getitemn],[1,[v,f12],[v,bb]]],[[v,f11],[[v,l],1,[v,l2]]],[[n,map],[[v,bb],[v,l2],[v,n]]]]],
[[n,add],[[v,a],[v,b],[v,c]],":-",[[n,+],[[v,a],[v,b],[v,c]]]],
[[n,getitemn],[1,[v,b],[v,c]],":-",[[n,head],[[v,b],[v,c]]]],
[[n,getitemn],[[v,a],[v,b],[v,c]],":-",[[[n,not],[[[n,=],[[v,a],1]]]],[[n,tail],[[v,b],[v,t]]],[[n,-],[[v,a],1,[v,d]]],[[n,getitemn],[[v,d],[v,t],[v,c]]]]]
]`,
`[[[[v,d], 4]]]`
). |