ORF for fields of higher-ranked type [was: TDNR without new operators or syntax changes]
AntC
anthony_clayden at clear.net.nz
Wed Jun 15 03:29:59 UTC 2016
> Adam Gundry writes:
> ... Having spent more time thinking about record field overloading
> than perhaps I should, ...
Thanks Adam, another thing on the back burner ...
The earlier design for SORF tried to support higher-ranked fields.
https://ghc.haskell.org/trac/ghc/wiki/Records/OverloadedRecordFields/SORF
That had to be abandoned,
until explicit type application was available IIRC.
We now have type application in GHC 8.0.
Is there some hope for higher-rank type fields?
AntC
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