string to io.ReadCloser

stringToReaderCloser.go

package main

import (
	"bytes"
	"fmt"
	"io"
	"os"
	"strings"
)

func main() {
	r := io.NopCloser(strings.NewReader("Hello, world!")) // r type is io.ReadCloser

	// example to test r
	buf := new(bytes.Buffer)

	n, err := buf.ReadFrom(r)
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}

	r.Close()

	s := buf.String()
	fmt.Printf("%d bytes read, %q\r\n", n, s)
}