oerjan (Ørjan Johansen)
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User Since
Nov 11 2015, 12:43 PM (201 w, 3 d)

Recent Activity

Aug 3 2016

oerjan added a comment to D2280: Implement deriving strategies.

The ghc-devs discussion gave me some thoughts relevant to this differential. I put them as a comment in Trac #10598.

Aug 3 2016, 6:23 PM

May 31 2016

oerjan added a comment to D2280: Implement deriving strategies.

Never mind, I had a misunderstanding about how superclass dictionaries combine with newtype deriving (i.e. pretty much not at all).

May 31 2016, 9:36 PM
oerjan added a comment to D2280: Implement deriving strategies.

Hm. What about subclasses of Typeable, particularly Data? E.g. does the following compile:

May 31 2016, 7:05 PM

May 30 2016

oerjan added a comment to D2280: Implement deriving strategies.

Great! I'm not going to understand all of this code, but a couple things I noticed on browsing through it:

May 30 2016, 12:34 AM

Dec 14 2015

oerjan added a comment to D1594: Implement recursive superclasses.

I suspect type variables as heads cannot be so easily dismissed. Consider

Dec 14 2015, 8:11 PM