Show instances for GHC internals

Edward Z. Yang ezyang at
Tue Oct 20 17:47:20 UTC 2015

Excerpts from Ömer Sinan Ağacan's message of 2015-10-20 06:37:44 -0700:
> Edward, do you remember any examples of such code?

The big kahuna is interface loading.  Everything TyThing from loadDecls
is done (unsafely) lazily.  In fact, must be, because TyThings are a
mutually recursive structure.


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