X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=src%2Fadvent19%2Fadvent19.hs;fp=src%2Fadvent19%2Fadvent19.hs;h=06a706715664533fb70dd484771afd481e531fda;hb=59eb446f1a513ee9539b3a36bed08b475225a890;hp=98f6d21ea53077e21debd4a046d559b36d0ef3de;hpb=979c51dcfaf7fd3b04c764ce28b81afcaa869a36;p=advent-of-code-17.git

diff --git a/src/advent19/advent19.hs b/src/advent19/advent19.hs
index 98f6d21..06a7067 100644
--- a/src/advent19/advent19.hs
+++ b/src/advent19/advent19.hs
@@ -44,6 +44,7 @@ delta Down  = ( 1,  0)
 delta Left  = ( 0, -1)
 delta Right = ( 0,  1)
 
+isJunction :: Char -> Bool
 isJunction '+' = True
 isJunction  _  = False