diff --git a/example/main.go b/example/main.go
index 5e28a57..2fb4515 100644
--- a/example/main.go
+++ b/example/main.go
@@ -1,60 +1,60 @@
-package main
-
-import (
-	"exp/sql"
-	"fmt"
-	"os"
-	_ "github.com/mattn/go-sqlite3"
-)
-
-func main() {
-	os.Remove("./foo.db")
-
-	db, err := sql.Open("sqlite3", "./foo.db")
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-
-	sqls := []string {
-		"create table foo (id integer not null primary key, name text)",
-		"delete from foo",
-	}
-	for _, sql := range(sqls) {
-		_, err = db.Exec(sql)
-		if err != nil {
-			fmt.Printf("%q: %s\n", err, sql)
-			return
-		}
-	}
-
-	stmt, err := db.Prepare("insert into foo(id, name) values(?, ?)")
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-	defer stmt.Close()
-
-	for i := 0; i < 100; i++ {
-		_, err = stmt.Exec(i, fmt.Sprintf("こんにちわ世界%03d", i))
-		if err != nil {
-			fmt.Println(err)
-			return
-		}
-	}
-
-	rows, err := db.Query("select id, name from foo")
-	if err != nil {
-		fmt.Println(err)
-		return
-	}
-	defer rows.Close()
-
-	for rows.Next() {
-		var id int
-		var name string
-		rows.Scan(&id, &name)
-		println(id, name)
-	}
-
-}
+package main
+
+import (
+	"exp/sql"
+	"fmt"
+	_ "github.com/mattn/go-sqlite3"
+	"os"
+)
+
+func main() {
+	os.Remove("./foo.db")
+
+	db, err := sql.Open("sqlite3", "./foo.db")
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	sqls := []string{
+		"create table foo (id integer not null primary key, name text)",
+		"delete from foo",
+	}
+	for _, sql := range sqls {
+		_, err = db.Exec(sql)
+		if err != nil {
+			fmt.Printf("%q: %s\n", err, sql)
+			return
+		}
+	}
+
+	stmt, err := db.Prepare("insert into foo(id, name) values(?, ?)")
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	defer stmt.Close()
+
+	for i := 0; i < 100; i++ {
+		_, err = stmt.Exec(i, fmt.Sprintf("こんにちわ世界%03d", i))
+		if err != nil {
+			fmt.Println(err)
+			return
+		}
+	}
+
+	rows, err := db.Query("select id, name from foo")
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var id int
+		var name string
+		rows.Scan(&id, &name)
+		println(id, name)
+	}
+
+}