I came across this code, which I assume will be faster than iterating one element at a time. nth0_det(0, [Elem|_], Elem) :- !. nth0_det(1, [_,Elem|_], Elem) :- !. nth0_det(2, [_,_,Elem|_], Elem) :- !. nth0_det(3, [_,_,_,Elem|_], Elem) :- !. nth0_det(4, [_,_,_,_,Elem|_], Elem) :- !. nth0_det(5, [_,_…

Nth0/3 implementaion in swi-prolog

rajashekar November 29, 2020, 1:39pm 3

I do not understand how the limit on number of parameters will apply in this situation.

Topic		Replies	Views
Semi-deterministic version of `nth0` as C primitive Discussion	14	708	July 20, 2022
Max_arity status? Help!	6	472	February 24, 2021
Another day, another predicate, another choicepoint! General	18	432	September 5, 2023
The essence of the append infinite loop thread General	12	92	September 1, 2024
Code review, advantages and disadvantages of these two ways of writing a predicate Help!	17	518	September 2, 2023