add TypeOperators extension to fix warning

This commit is contained in:
Brent Yorgey 2022-09-01 13:30:38 -05:00
parent 4349884e62
commit 3ddbf123de

View file

@ -2,6 +2,7 @@
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE TypeOperators #-}
-------------------------------------------------------------------------------
-- |