Re: [Caml-list] Re: "ocaml_beginners"::[] string to list

[Brian Hurt <brian.hurt@qlogic.com>]

On Mon, 17 Feb 2003, Issac Trotts wrote:

> Christian Schaller wrote:
> 
> >Hi everyone!
> >
> >I'm trying to find a built in function for converting a string to a list of
> >characters, similar to SML's explode.  Is something like this available?
> >
> >Thank you!
> >
> >- Chris
> >
> # let explode s =
>    let n = String.length s in
>    let rec aux k = if k = n then [] else s.[k] :: aux (k+1) in
>    aux 0;;
>       val explode : string -> char list = <fun>
> # explode "foo";;
> - : char list = ['f'; 'o'; 'o']
> 

let explode s = 
    let n = String.length s in
    let rec aux k accum = if k = n then (List.rev accum) 
                          else aux (k+1) (s.[k] :: accum)
    in
    aux 0 []
;;

See previous discussion.

Brian


-------------------
To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr
Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/
Beginner's list: http://groups.yahoo.com/group/ocaml_beginners