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To: Richard Jones <rich@annexia.org>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Missing tabs
References: <20031026115935.GA6205@redhat.com>
From: Remi Vanicat <vanicat@labri.u-bordeaux.fr>
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Date: Sun, 26 Oct 2003 13:33:25 +0100
In-Reply-To: <20031026115935.GA6205@redhat.com> (Richard Jones's message of
 "Sun, 26 Oct 2003 11:59:35 +0000")
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Richard Jones <rich@annexia.org> writes:

> $ ocaml
>         Objective Caml version 3.07+2
>
> # open Printf;;
> # List.iter (printf "\t%s\n") ["foo"; "bar"; "baz"; "buz"];;
>         foo
> bar
> baz
> buz
> - : unit = ()
> #
>
> Where did the second and subsequent tabs go? I even tried piping the
> output into the 'hd' shell command, and they are definitely missing.

printf is partially applied : when you do (printf "\t%s\n"), you print
a tab, and return a function that print its string argument and a new
line.

this will make what you want :

List.iter (fun x -> printf "\t%s\n" x) ["foo"; "bar"; "baz"; "buz"];;


-- 
Rémi Vanicat

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