Commit 1064ab02 authored by Simon Peyton Jones's avatar Simon Peyton Jones

Comments only

parent 6af8d617
......@@ -125,6 +125,9 @@ instance TrieMap UniqFM where
%* *
If m is a map from k -> val
then (MaybeMap m) is a map from (Maybe k) -> val
data MaybeMap m a = MM { mm_nothing :: Maybe a, mm_just :: m a }
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