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-- Checks that the correct type is used checking the using clause of the group
{-# OPTIONS_GHC -XMonadComprehensions -XTransformListComp #-}
module ShouldFail where
import GHC.Exts( the )
data Unorderable = Gnorf | Pinky | Brain
foo = [ length x
| x <- [Gnorf, Brain]
, then group using take 5
]
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