[ghc-steering-committee] #216: Qualified Do again, recommendation: accept the alternative

Joachim Breitner mail at joachim-breitner.de
Tue Apr 14 15:19:46 UTC 2020


HI,

Am Dienstag, den 14.04.2020, 10:00 -0500 schrieb Eric Seidel:
> If we allow "M.do" without explicitly importing M, building the
> module dependency graph suddenly requires parsing the entire module
> rather than just the preamble. How much of a concern is this for
> compilation times?

that isn’t the plan. You still have to import a module called M! The
question is whether you _also_ have to import M.(>>), or whether it’s
import to import a _module_ and give it a name.

Cheers,
Joachim
-- 
Joachim Breitner
  mail at joachim-breitner.de
  http://www.joachim-breitner.de/




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