Open hasufell opened 6 years ago
DatatypeContexts is deprecated anyway and the following file will yield an error, while it compiles perfectly with ghc-8.0.2:
DatatypeContexts
module Foo where data Show a => Foo a = Foo a
Error:
src/Foo.hs error: 3:6 Illegal datatype context (use DatatypeContexts): Show a =>
DatatypeContexts
is deprecated anyway and the following file will yield an error, while it compiles perfectly with ghc-8.0.2:Error: