> I agree that this is not optimal. I suggest to change the protocol to the
> one specified in SRFI-99 (except for that I would continue to use a list of
> field specifiers, not a vector):
>
> fieldspecs is a vector of field specifiers, where each field specifier is
> one of
>
> a symbol naming the (mutable) field;
>
> a symbol naming the (mutable) field;
> a list of the form (mutable name), where name is a symbol naming the mutable
> field;
> a list of the form (immutable name), where name is a symbol naming the
> immutable field.
>
> What do you think?
I think that's even better than just passing boolean :)

Cheers,

--
_/_/
Takashi Kato
E-mail: ktakashi19@gmail.com