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| author | Ben Gamari <ben@smart-cactus.org> | 2019-12-01 16:27:38 -0500 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2020-02-06 11:55:41 -0500 |
| commit | 29b72c00a692b442605b022fcc15c4454ed1c3de (patch) | |
| tree | fc1748f506564cc61c2f1ebbc0338c6819d34f97 | |
| parent | e8004e5d1e993363a89b0107380604c5bc02be6b (diff) | |
| download | haskell-29b72c00a692b442605b022fcc15c4454ed1c3de.tar.gz | |
VarSet: Introduce nonDetFoldVarSet
| -rw-r--r-- | compiler/basicTypes/VarSet.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/basicTypes/VarSet.hs b/compiler/basicTypes/VarSet.hs index c3b25970f2..80493ef9d1 100644 --- a/compiler/basicTypes/VarSet.hs +++ b/compiler/basicTypes/VarSet.hs @@ -23,6 +23,7 @@ module VarSet ( sizeVarSet, seqVarSet, elemVarSetByKey, partitionVarSet, pluralVarSet, pprVarSet, + nonDetFoldVarSet, -- * Deterministic Var set types DVarSet, DIdSet, DTyVarSet, DTyCoVarSet, @@ -151,6 +152,9 @@ allVarSet = uniqSetAll mapVarSet :: Uniquable b => (a -> b) -> UniqSet a -> UniqSet b mapVarSet = mapUniqSet +nonDetFoldVarSet :: (Var -> a -> a) -> a -> VarSet -> a +nonDetFoldVarSet = nonDetFoldUniqSet + fixVarSet :: (VarSet -> VarSet) -- Map the current set to a new set -> VarSet -> VarSet -- (fixVarSet f s) repeatedly applies f to the set s, |