What is the List.tl method in Ocaml?
Overview
In this shot, we'll learn how to get the tail of the list (the last items in a list), without iterating through the list, using the List.tl method in Ocaml.
Syntax
List.tl[listitems]
Syntax of the List.hd method
Parameter
The List.tl method receives the list for which we want to retrieve the last items.
Return value
The List.tl returns the list without the first item in the list.
Code example
Let's take a look at the following example:
open Printflet x = List.tl[3; 2; 5;7];;let () = List.iter (printf "%d ") x
Code explanation
- Line 1: We call the
Printfto print the list items later in the code. - Line 2: We create a list
xwith list items[3;2;5;7]. - Line 3: We use the
List.tlto get the items of the list without the first item which is2, 5, 7. We then print it to the screen using theprintf.
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