refactor

pkg/clock/digit/digit.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+func main() {
+	d, err := time.ParseDuration("1s")
+	if err != nil {
+		panic(err)
+	}
+	t := time.Tick(d)
+	go func() {
+		fmt.Printf("\033[2J\033[H")
+		for {
+			<-t
+			fmt.Printf("\r%s", time.Now().Format(time.TimeOnly))
+		}
+	}()
+	select {}
+}