Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

Sign up
Appearance settings

Commit f55f09e

Browse files
committed
simplified parsing a bit more
1 parent 964f33d commit f55f09e

File tree

1 file changed

+4
-5
lines changed

1 file changed

+4
-5
lines changed

‎src/AOC2017/Day20.hs‎

Lines changed: 4 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -8,6 +8,7 @@ import Control.Applicative (liftA2)
88
import Control.Monad (mfilter)
99
import Data.Char (isDigit)
1010
import Data.Foldable (toList)
11+
import Data.List.Split (splitOn)
1112
import qualified Data.Map as M
1213
import qualified Data.Set as S
1314
import qualified Data.Vector as V
@@ -51,11 +52,9 @@ parse = (\case L.V3 r v a -> S r v a)
5152
. V.fromList . lines
5253

5354
parseLine :: String -> L.V3 (L.V3 Int)
54-
parseLine (mapread.words.onlyNums->[pX,pY,pZ,vX,vY,vZ,aX,aY,aZ])
55+
parseLine (map(read.filter numChar).splitOn","->[pX,pY,pZ,vX,vY,vZ,aX,aY,aZ])
5556
= L.V3 (L.V3 pX pY pZ) (L.V3 vX vY vZ) (L.V3 aX aY aZ)
5657
parseLine _ = error "No parse"
5758

58-
onlyNums :: String -> String
59-
onlyNums = map $ \c -> if isDigit c || c == '-'
60-
then c
61-
else ' '
59+
numChar :: Char -> Bool
60+
numChar c = isDigit c || c == '-'

0 commit comments

Comments
(0)

AltStyle によって変換されたページ (->オリジナル) /