[m-users.] foreign_type confusion on how to do it across modules...

[M McDonough]

On Sun, Jul 14, 2019 at 3:13 PM Zoltan Somogyi <zoltan.somogyi at runbox.com>
wrote:

> How would the Mercury compiler know what to unbox? Given that most foreign
> types
> are typedef'd names, it has no idea which foreign types are pointers and
> which are not.
>
> Zoltan.
>

I thought that it gets stored as MR_Word which is GC malloc'ed using
sizeof() on
the native type, and in the prologue there is a macro which ends up being a
memcpy into a local struct in that case?
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