Day 8

day08/common/forest.go

@@ -0,0 +1,25 @@
+package common
+
+import (
+	"bufio"
+)
+
+type Tree int
+
+type Forest [][]Tree
+
+
+func Parse(scanner bufio.Scanner) Forest {
+  forest := Forest{}
+
+  for scanner.Scan() {
+    line := scanner.Text()
+    forestRow := make([]Tree, len(line))
+    for i, character := range line {
+      forestRow[i] = Tree(character - '0')
+    }
+    forest = append(forest, forestRow)
+  }
+
+  return forest
+}