From f42f54af40b37e4d4e1a9f4fe2f4cfee0d6358b6 Mon Sep 17 00:00:00 2001
From: jimi <jinfield@gmail.com>
Date: Mon, 7 Mar 2016 15:40:47 -0600
Subject: [PATCH] Refactor with switch, update benchmark stats

---
 raindrops.go | 32 +++++++++++++++++++-------------
 switch.bench |  3 +++
 2 files changed, 22 insertions(+), 13 deletions(-)
 create mode 100644 switch.bench

diff --git a/raindrops.go b/raindrops.go
index 6c1b6a8..7b10e64 100644
--- a/raindrops.go
+++ b/raindrops.go
@@ -6,22 +6,28 @@ const testVersion = 2
 
 func Convert(i int) string {
 	var s string
-	if i%3 == 0 {
-		s += "Pling"
-	}
-	if i%5 == 0 {
-		s += "Plang"
-	}
-	if i%7 == 0 {
-		s += "Plong"
-	}
-	if s == "" {
+	switch {
+	case i%3+i%5+i%7 == 0:
+		s = "PlingPlangPlong"
+	case i%3+i%5 == 0:
+		s = "PlingPlang"
+	case i%3+i%7 == 0:
+		s = "PlingPlong"
+	case i%3 == 0:
+		s = "Pling"
+	case i%5+i%7 == 0:
+		s = "PlangPlong"
+	case i%5 == 0:
+		s = "Plang"
+	case i%7 == 0:
+		s = "Plong"
+	default:
 		s = strconv.Itoa(i)
 	}
 	return s
 }
 
-// Iteration 1 Benchmark
+// Iteration 2 Benchmark
 // PASS
-// BenchmarkConvert-12	 2000000	       676 ns/op
-// ok  	exercism/go/raindrops	2.048s
+// BenchmarkConvert-12	 5000000	       309 ns/op
+// ok  	exercism/go/raindrops	1.869s
diff --git a/switch.bench b/switch.bench
new file mode 100644
index 0000000..569a189
--- /dev/null
+++ b/switch.bench
@@ -0,0 +1,3 @@
+PASS
+BenchmarkConvert-12	 5000000	       309 ns/op
+ok  	exercism/go/raindrops	1.869s