[MLton] implement _address and _symbol
Wed, 20 Jul 2005 23:57:05 -0700
> 3. When using _symbol *, somehow the wrong type shows up:
> Error: test.sml 17.10.
> Function applied to incorrect argument.
> expects: [?.pointer] * _
> but got: [MLton.Pointer.t] * _
> in: setip (addr, 5)
> ... because of this I have not been able to test _symbol *.
> val addr = _address "x" : MLton.Pointer.t;
> val (getip, setip) = _symbol * : MLton.Pointer.t, int;
> val () = setip (addr, 5)
I suspect that you made the setter created by _symbol * use the
expansion of MLton.Pointer.t rather than the opaque type specified in
> There's also this annoyance:
> Warning: <basis>/misc/primitive.sml 1386.13.
> _import of constant is deprecated. Use _symbol.
> Should I convert the basis to use (#1 _symbol "x" : X;) () instead of
> _import "x": X; -- or do you wish we had _fetch "x": X; now? ;-)
Yes, please convert. And no, not at all :-).
> All in all, I am amazed at how easy it has been so far.
Aren't statically typed languages grand.