Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Odd error about 'DatatypeContexts' #34

Open
hasufell opened this issue Jun 18, 2018 · 0 comments
Open

Odd error about 'DatatypeContexts' #34

hasufell opened this issue Jun 18, 2018 · 0 comments

Comments

@hasufell
Copy link

DatatypeContexts is deprecated anyway and the following file will yield an error, while it compiles perfectly with ghc-8.0.2:

module Foo where

data Show a => Foo a = Foo a

Error:

src/Foo.hs
	error: 3:6 Illegal datatype context (use DatatypeContexts): Show a =>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
None yet
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
1 participant
@hasufell