Clean up 2025 day 7 a bit

sim642 · sim642 · commit 42504dd70412 · 2025-12-07T09:20:00.000+02:00
diff --git a/src/main/scala/eu/sim642/adventofcode2025/Day7.scala b/src/main/scala/eu/sim642/adventofcode2025/Day7.scala
@@ -26,7 +26,7 @@ object Day7 {
 
     BFS.traverse(graphTraversal)
       .nodes
-      .count(pos => grid(pos) == '^')
+      .count(grid(_) == '^')
   }
 
   def countTimelines(grid: Grid[Char]): Long = {
@@ -48,7 +48,8 @@ object Day7 {
       }
     }
 
-    helper(0, Map(grid.posOf('S').x -> 1))
+    val startPos = grid.posOf('S')
+    helper(startPos.y, Map(startPos.x -> 1))
   }
 
   def parseGrid(input: String): Grid[Char] = input.linesIterator.map(_.toVector).toVector

Original file line number	Diff line number	Diff line change
`@@ -26,7 +26,7 @@ object Day7 {`
`26`	`26`
`27`	`27`	`BFS.traverse(graphTraversal)`
`28`	`28`	`.nodes`
`29`		`- .count(pos => grid(pos) == '^')`
	`29`	`+ .count(grid(_) == '^')`
`30`	`30`	`}`
`31`	`31`
`32`	`32`	`def countTimelines(grid: Grid[Char]): Long = {`
`@@ -48,7 +48,8 @@ object Day7 {`
`48`	`48`	`}`
`49`	`49`	`}`
`50`	`50`
`51`		`- helper(0, Map(grid.posOf('S').x -> 1))`
	`51`	`+ val startPos = grid.posOf('S')`
	`52`	`+ helper(startPos.y, Map(startPos.x -> 1))`
`52`	`53`	`}`
`53`	`54`
`54`	`55`	`def parseGrid(input: String): Grid[Char] = input.linesIterator.map(_.toVector).toVector`