feat(11-select): 🎉 11-select initial framework without goroutines

src/11-select/go.mod

@@ -0,0 +1,5 @@
+module racer
+
+go 1.17
+
+require github.com/matryer/is v1.4.0

src/11-select/go.sum

@@ -0,0 +1,2 @@
+github.com/matryer/is v1.4.0 h1:sosSmIWwkYITGrxZ25ULNDeKiMNzFSr4V/eqBQP0PeE=
+github.com/matryer/is v1.4.0/go.mod h1:8I/i5uYgLzgsgEloJE1U6xx5HkBQpAZvepWuujKwMRU=

src/11-select/racer.go

@@ -0,0 +1,22 @@
+package racer
+
+import (
+	http "net/http"
+	"time"
+)
+
+// Racer returns the fastest responding website.
+func Racer(a, b string) (winner string) {
+	startA := time.Now()
+	http.Get(a)
+	aDuration := time.Since(startA)
+
+	startB := time.Now()
+	http.Get(b)
+	bDuration := time.Since(startB)
+
+	if aDuration < bDuration {
+		return a
+	}
+	return b
+}

src/11-select/racer_test.go

@@ -0,0 +1,20 @@
+package racer_test
+
+import (
+	src "racer"
+	"testing"
+
+	iz "github.com/matryer/is"
+)
+
+func TestRacer(t *testing.T) {
+	is := iz.New(t)
+
+	slowURL := "https://www.facebook.com"
+	fastURL := "https://www.quii.co.uk"
+
+	want := fastURL
+	got := src.Racer(slowURL, fastURL)
+
+	is.Equal(got, want) // the fast URL should be quii obviously
+}