Kadai3 1 sminamot

kadai3-1/sminamot/README.md

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+# タイピングゲームの作成
+
+## Usage
+```
+$ go build -o main
+$ ./main
+```

kadai3-1/sminamot/main.go

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+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"math/rand"
+	"os"
+	"time"
+)
+
+var qs = []string{
+	"hoge",
+	"fuga",
+	"foo",
+	"bar",
+	"piyo",
+}
+
+func main() {
+	tCh := limit(10 * time.Second)
+	iCh := input(os.Stdin)
+	rand.Seed(time.Now().UnixNano())
+	aNum := 0
+	qNum := 0
+loop:
+	for {
+		q := getQuestion()
+		fmt.Printf("[q: %s]\n", q)
+		fmt.Print("> ")
+		select {
+		case m := <-iCh:
+			qNum++
+			if m == q {
+				aNum++
+				fmt.Print("matched!")
+			} else {
+				fmt.Print("unmatched!")
+			}
+			fmt.Printf(" (%d/%d)\n", aNum, qNum)
+		case <-tCh:
+			break loop
+		}
+	}
+	fmt.Println()
+	fmt.Printf("your score: %d\n", aNum)
+}
+
+func getQuestion() string {
+	return qs[rand.Intn(len(qs))]
+}
+
+func input(r io.Reader) <-chan string {
+	ch := make(chan string)
+	go func() {
+		s := bufio.NewScanner(r)
+		for s.Scan() {
+			ch <- s.Text()
+		}
+		close(ch)
+	}()
+	return ch
+}
+
+func limit(d time.Duration) <-chan struct{} {
+	ch := make(chan struct{})
+	go func() {
+		defer close(ch)
+		<-time.After(d)
+	}()
+	return ch
+}