Use newtype for Matrix

2015-03-08 01:34:03 +01:00 · 2015-03-08 01:34:03 +01:00 · 18fe09a531
commit 18fe09a531
parent 13f8d05030
1 changed files with 2 additions and 2 deletions
--- a/Matrix.hs
+++ b/Matrix.hs
@ -1,7 +1,7 @@
 module Matrix where
 import Data.List  (intercalate)

-data Mat a = Mat [[a]]
+newtype Mat a = Mat [[a]]
 type Pos = (Int, Int)

 instance Functor Mat where