From 003b207519572786a4e9d6ed72004152a22ff3ff Mon Sep 17 00:00:00 2001 From: Cesartwothousands Date: Mon, 9 Feb 2026 00:15:07 -0500 Subject: [PATCH] Add an explicit import in src/Feynman/Optimization/StateFold.hs --- src/Feynman/Optimization/StateFold.hs | 1 + 1 file changed, 1 insertion(+) diff --git a/src/Feynman/Optimization/StateFold.hs b/src/Feynman/Optimization/StateFold.hs index eb11a058..a8892e61 100644 --- a/src/Feynman/Optimization/StateFold.hs +++ b/src/Feynman/Optimization/StateFold.hs @@ -24,6 +24,7 @@ import Data.Map.Strict (Map, (!)) import qualified Data.Map.Strict as Map import Data.Set (Set) import qualified Data.Set as Set +import Control.Monad (msum, liftM) import Control.Monad.State.Strict hiding (join) import Data.Bits import Data.Coerce (coerce)