Commit 1d6c2cf9 authored by dterei's avatar dterei

Add some documentation to IOEnv.

parent bb0eb57e
......@@ -3,6 +3,10 @@
--
-- The IO Monad with an environment
--
-- The environment is passed around as a Reader monad but
-- as its in the IO monad, mutable references can be used
-- for updating state.
--
{-# LANGUAGE UndecidableInstances #-}
module IOEnv (
......
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