Solution for 12.1.

2018/internal/day12/debug.go

@@ -0,0 +1,20 @@
+package day12
+
+import (
+	"fmt"
+)
+
+func DebugPrintPlants(plants map[int]bool) {
+	low, high := getPlantBounds(plants)
+
+	for i := low; i < high+1; i++ {
+		fmt.Print(plantString(plants[i]))
+	}
+	fmt.Println()
+}
+
+func DebugPrintRules(rules []*Rule) {
+	for _, rule := range rules {
+		fmt.Println(rule)
+	}
+}