Attempting to collapse package up a level

since I'm not feeling like I'm going to tackle this in another
language... yet.

conway/conways-game-of-life/main.go

@@ -0,0 +1,80 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"time"
+)
+
+import (
+	. "github.com/meatballhat/box-o-sand/conway"
+)
+
+var (
+	height  = flag.Int("height", 40, "Game height")
+	width   = flag.Int("width", 80, "Game width")
+	mutate  = flag.Bool("mutate", false, "Mutate every other generation")
+	sleepMs = flag.Int("sleep.ms", 200,
+		"Millisecond sleep interval per generation")
+)
+
+func pushChecksum(checksum string, checksums []string) {
+	head := make([]string, 3)
+	copy(head, checksums[:3])
+	checksums[0] = checksum
+	checksums[1] = head[0]
+	checksums[2] = head[1]
+	checksums[3] = head[2]
+}
+
+func main() {
+	flag.Parse()
+
+	game := NewGameOfLife(*height, *width)
+	err := game.ImportRandomState()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "WHAT IN FAIL?: %v\n", err)
+		os.Exit(2)
+	}
+
+	checksums := make([]string, 4)
+	checksums[0], checksums[1], checksums[2], checksums[3] = "foo", "bar", "baz", "qwx"
+	pushChecksum(game.Checksum(), checksums)
+
+	ticks := time.Tick(time.Duration(*sleepMs) * time.Millisecond)
+	generations := 0
+	for now := range ticks {
+		fmt.Printf("\nGeneration %v\n%v\n", generations, now)
+		fmt.Println(game)
+
+		game.EvaluateGeneration()
+
+		curChecksum := game.Checksum()
+
+		if checksums[0] == curChecksum || checksums[1] == curChecksum {
+			fmt.Println("Stasis!")
+			os.Exit(0)
+		}
+
+		if checksums[2] == curChecksum {
+			fmt.Println("Checksum found 2 periods ago")
+			fmt.Println("Stasis with 2-period oscillator(s)!")
+			os.Exit(0)
+		}
+
+		if checksums[3] == curChecksum {
+			fmt.Println("Checksum found 3 periods ago")
+			fmt.Println("Stasis with 3-period oscillator(s)!")
+			os.Exit(0)
+		}
+
+		pushChecksum(curChecksum, checksums)
+
+		if *mutate && generations%2 == 0 {
+			game.Mutate()
+		}
+
+		generations++
+	}
+}