From 38f3a717b0f8095fb05b9be0bebd158474eb7618 Mon Sep 17 00:00:00 2001
From: Akshay <nerdy@peppe.rs>
Date: Tue, 15 Dec 2020 19:21:04 +0530
Subject: add day15

---
 execs/Day14.hs | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'execs/Day14.hs')

diff --git a/execs/Day14.hs b/execs/Day14.hs
index d82424a..7f4368a 100644
--- a/execs/Day14.hs
+++ b/execs/Day14.hs
@@ -5,6 +5,7 @@ import           Text.ParserCombinators.Parsec
 import           Text.Parsec.Char
 import           Data.Either
 import           Data.Char
+import           Data.Bifunctor (bimap)
 import           Data.Strings
 import           Numeric (showIntAtBase, readInt)
 import           Data.Map (Map)
@@ -15,11 +16,11 @@ data Stmt = Mask String | Mem Int Int deriving Show
 parseMask :: Parser Stmt
 parseMask = string "mask = " >> Mask <$> many anyChar
 
+parseNumber :: Parser Int
+parseNumber = read <$> many1 digit
+
 parseMem :: Parser Stmt
-parseMem = do 
-    one <- string "mem[" >> many1 digit
-    two <- string "] = " >> many1 digit
-    return $ Mem (read one) (read two)
+parseMem = Mem <$ string "mem[" <*> parseNumber <* string "] = " <*> parseNumber
 
 parseLine :: Parser Stmt
 parseLine = try parseMask <|> parseMem
-- 
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