[mercury-users] memo and zero-arity functions

[Julien Fischer]

On Mon, 31 Jul 2006, Michael Day wrote:

>
> Hi Julian,
>
>> I would suggest using a constant mutable rather than memoization in this
>> situation.  (See section 9.6 of the reference manual.)
>
> Yes, that would be nice, however it doesn't seem to compile when
> intermodule optimisation is enabled:
>
> Mercury/asm_fast.gc/i686-pc-linux-gnu/Mercury/opts/css.style.opt: In
> function `engine_module20':
> Mercury/asm_fast.gc/i686-pc-linux-gnu/Mercury/opts/css.style.opt:391: error:
> `css__style__mutable_variable_root_style_var' undeclared (first use in this
> function)

That's odd, mutables *should* (and, last I checked, did) work with
intermodule optimization enabled.  I'll take a look at it.   Presumably
this was a constant mutable?

Julien.
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