[ library(listut) | Reference Manual | Alphabetic Index ]

# nth0(?I, ?List, -Elem)

Access nth element of a list

I
  Integer position index, counting from 0
List
  A list
Elem
  Any term

## Description

Succeeds when Elem is the Nth member of List, counting the first as element 0. (That is, throw away the first N elements and unify Elem with the next.)

### Modes and Determinism

- nth0(+, +, -) is det
- nth0(-, +, -) is nondet
- nth0(-, -, -) is nondet

## See Also

nth1 / 3, nth0 / 4, nth1 / 4