11 Nov
2018
11 Nov
'18
12:27 a.m.
On 11/11/18, Henning Thielemann
On Sun, 11 Nov 2018, Henning Thielemann wrote:
On Sat, 10 Nov 2018, Daniel Cartwright wrote:
relevant reddit comment thread:https://www.reddit.com/r/haskell/comments/9vtis5/the_universe_of_discourse_i... urce=reddit-android
https://wiki.haskell.org/index.php?title=Num_instance_for_functions&oldid=36632
In short: It would make 2(x+y) no longer a type error but equivalent to 2. We would lose a lot of type safety for little syntactic gain.
Btw. before adding more Wat instances please implement the GHC warning about such instances: https://ghc.haskell.org/trac/ghc/ticket/11796
This is my feeling as well. Tom