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authorSimon Peyton Jones <simonpj@microsoft.com>2013-01-22 17:01:30 +0000
committerSimon Peyton Jones <simonpj@microsoft.com>2013-01-22 17:01:30 +0000
commit2cc42dbb6ff09f4105fe44fe1afe9ac08a140d44 (patch)
treefeb5cf29e0b2664b9b9d2abc55cca64d79d53322 /compiler/main/InteractiveEval.hs
parent2ec39c76b9816f76f60076fb52c8038035cd1f7b (diff)
downloadhaskell-2cc42dbb6ff09f4105fe44fe1afe9ac08a140d44.tar.gz
When printing types in the interactive UI, take account of free variables
Often the types we print are full-generalised, but in fact *kinds* are not, so we need to use tidyOpenType. Fixes Trac #7587
Diffstat (limited to 'compiler/main/InteractiveEval.hs')
-rw-r--r--compiler/main/InteractiveEval.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/main/InteractiveEval.hs b/compiler/main/InteractiveEval.hs
index 7fa156aec3..8d64900c71 100644
--- a/compiler/main/InteractiveEval.hs
+++ b/compiler/main/InteractiveEval.hs
@@ -972,6 +972,7 @@ parseName str = withSession $ \hsc_env -> do
-- Getting the type of an expression
-- | Get the type of an expression
+-- Returns its most general type
exprType :: GhcMonad m => String -> m Type
exprType expr = withSession $ \hsc_env -> do
ty <- liftIO $ hscTcExpr hsc_env expr