Add runExceptT to invert ExceptT.

2017-12-09 22:18:09 -08:00 · 2017-12-09 22:18:09 -08:00 · febd86dfed
parent 0057ec1478
commit febd86dfed
1 changed files with 1 additions and 0 deletions
--- a/src/Postlude.hs
+++ b/src/Postlude.hs
@ -38,6 +38,7 @@ import Control.Monad.Trans as X

 import Control.Monad.Trans.Except as X
  ( ExceptT (..)
+  , runExceptT
  )

 import Control.Monad.Trans.Maybe as X