Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/prelude/Prelude/DollarBang.hs

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Distributed under the MIT License.
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module Prelude where

import Seq

infixr 0 $!

($!)        :: (a -> b) -> a -> b
f $! x       =  x `seq` f x

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