From 587cbadb3e6388c29454ab41c120757f108918fa Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Wed, 29 Nov 2023 20:48:46 -0600
Subject: implement updateLattice

---
 src/Lattice.hs | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/Lattice.hs

(limited to 'src/Lattice.hs')

diff --git a/src/Lattice.hs b/src/Lattice.hs
new file mode 100644
index 0000000..b69aa41
--- /dev/null
+++ b/src/Lattice.hs
@@ -0,0 +1,23 @@
+module Lattice
+  ( LatticeCell (..)
+  , Lattice
+  , LatticeRule
+  , updateLattice
+  ) where
+
+
+data LatticeCell a b = LatticeCell { kind :: a, flags :: b } deriving (Show, Eq)
+type Lattice a b = [[LatticeCell a b]]
+type LatticeRule a b = Lattice a b -> Int -> Int -> LatticeCell a b
+
+
+updateLattice :: (Enum a) => Lattice a b -> [LatticeRule a b] -> Lattice a b
+updateLattice lattice rules =
+  let
+    mapRow = \(row, y) -> map 
+      (\((LatticeCell k _), x) ->
+        let rule = rules !! (fromEnum k)
+        in rule lattice x y
+      )
+      (zip row [0..])
+  in map mapRow (zip lattice [0..])
-- 
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