[m-dev.] for discussion: proposed additions to FFI

[Ralph Becket]

Julien Fischer, Monday, 23 June 2008:
> 
> This proposal extends the FFI with three new pragmas that allow for the
> construction, deconstruction and testing of individual discriminated union
> data constructors in foreign language code.

I think this is a reasonable idea, although I wonder whether in
practice you're almost always going to want all three operations
(cons/decons/test), which might mean having a single pragma to generate
all three would be better.
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