Probably it is an abstract type, that is represented as string. In any case
you can use the `#install_printer` directive to enable printing any type.
The argument
is a function of type `t -> Format.formatter -> unit`, where `t` is a name
of your type.

On Thu, Feb 23, 2017 at 11:24 AM, Tom Ridge <tom.j.ridge+list@googlemail.com
> wrote:

> Dear All,
>
> I am debugging some code. For various reasons I have started to use
> ocamldebug rather than printf.
>
> I should say that ocamldebug is excellent. Really excellent. Especially
> the "backwards" stepping.
>
> However, sometimes I want to see the value of a particular variable. I can
> use the "p" (print) command as:
>
> (ocd) p kra
> kra: Key_value_types.key = <abstr>
>
> The problem is that I know that kra is a string. But ocamldebug only shows
> <abstr>.
>
> Admittedly the code is functorized. But I have a feeling I should be able
> to tweak something to get ocamldebug to print the value of kra.
>
> Any ideas?
>
> T
>