el

Lib.el : int -> 'a list -> 'a

Extracts a specified element from a list.

el i [x1,...,xn] returns xi. Note that the elements are numbered starting from 1, not 0.

Failure

Fails with el if the integer argument is less than 1 or greater than the length of the list.

Example

- el 3 [1,2,7,1];
> val it = 7 : int

See also

Lib.index