Record field names must start with a lower case letter, so I cannot
reproduce the error you mention.
Also note you can simplify code like:
print_string "foo"; ();
to simply
print_string "foo"
Since print_string "foo" already returns unit, it is unnecessary to
explicitly return unit after this.
On Wed, Dec 15, 2010 at 9:03 AM, sieira <jaimito.hend...@gmail.com> wrote:
>
> Why doesn't this work?:
>
> type menu = {Textos: string list; Claves:string list};;
>
> let menu_principal = {Textos = ["Clientes";"Operaciones"];Claves =
> ["1";"2"]};;
> let rec pinta_menu = function
> {Textos = []; Claves = []} ->
> begin
> print_string ">";
> ();
> end
> | {Textos = _; Claves = []} ->
> begin
> print_string "[EE] Error en el menu";
> ();
> end
> | {Textos = []; Claves = _} ->
> begin
> print_string "[EE] Error en el menu";
> ();
> end
> | {Textos = texto::textos; Claves = clave::claves} ->
> begin
> print_string texto^"Una dola\n";
> pinta_menu({Textos = textos; Claves = claves});
> end;;
>
>
> (Returns
>
> "This expression has type unit"
> )
>
> While this does:
>
> let rec pinta_menu = function
> [],[] ->
> begin
> print_string ">";
> ();
> end
> | _,[] ->
> begin
> print_string "[EE] Error en el menu";
> ();
> end
> | [];_} ->
> begin
> print_string "[EE] Error en el menu";
> ();
> end
> | texto::textos;clave::claves ->
> begin
> print_string texto^"Una dola\n";
> pinta_menu({Textos = textos; Claves = claves});
> end;;
>
> pinta_menu(menu_principal);;
>
>
> Note that Textos ean texts and Claves mean keys
>
>
> pinta_menu(menu_principal);;
> --
> View this message in context:
> http://old.nabble.com/Doubt-about-function-delaration-parameter-tp30464033p30464033.html
> Sent from the Caml Discuss mailing list archive at Nabble.com.
>
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