1 files changed, 22 insertions, 0 deletions
diff --git a/racer.go b/racer.go
new file mode 100644
index 0000000..b954222
--- /dev/null
+++ b/racer.go
@@ -0,0 +1,22 @@
+package main
+
+import (
+	"net/http"
+	"time"
+)
+
+func Racer(a, b string) (winner string) {
+	aDuration := measureResponseTime(a)
+	bDuration := measureResponseTime(b)
+
+	if aDuration < bDuration {
+		return a
+	}
+	return b
+}
+
+func measureResponseTime(url string) time.Duration {
+	start := time.Now()
+	http.Get(url)
+	return time.Since(start)
+}