[mercury-users] memo and zero-arity functions

[Michael Day]

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)

Cheers,

Michael

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