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authorHerbert Valerio Riedel <hvr@gnu.org>2018-11-10 01:12:52 +0100
committerBen Gamari <ben@smart-cactus.org>2019-03-22 10:34:51 -0400
commitab51bee40c82cd552bcf13e24b67d43f3b8d25f3 (patch)
treea75a4102576dad50af44e342fb9152e7270792eb /testsuite/tests/deSugar
parentcd07086ada34888c08585f4dc98a961618748ed0 (diff)
downloadhaskell-ab51bee40c82cd552bcf13e24b67d43f3b8d25f3.tar.gz
base: Remove `Monad(fail)` method and reexport `MonadFail(fail)` instead
As per https://prime.haskell.org/wiki/Libraries/Proposals/MonadFail Coauthored-by: Ben Gamari <ben@well-typed.com>
Diffstat (limited to 'testsuite/tests/deSugar')
-rw-r--r--testsuite/tests/deSugar/should_run/dsrun010.hs6
1 files changed, 2 insertions, 4 deletions
diff --git a/testsuite/tests/deSugar/should_run/dsrun010.hs b/testsuite/tests/deSugar/should_run/dsrun010.hs
index 1d4fc485e0..c11fa2a765 100644
--- a/testsuite/tests/deSugar/should_run/dsrun010.hs
+++ b/testsuite/tests/deSugar/should_run/dsrun010.hs
@@ -2,13 +2,11 @@
-- is reflected by calling the monadic 'fail', not by a
-- runtime exception
-{-# LANGUAGE NoMonadFailDesugaring #-}
-{-# OPTIONS -Wno-missing-monadfail-instances #-}
-
import Control.Monad
+import Control.Monad.Fail
import Data.Maybe
-test :: (MonadPlus m) => [a] -> m Bool
+test :: (MonadPlus m, MonadFail m) => [a] -> m Bool
test xs
= do
(_:_) <- return xs