Go Reader example

bytes-reader.go

//https://play.golang.org/p/d2ILCDInTy

package main

import (
	"bytes"
	"fmt"
	"io"
)

func main() {
	var body io.Reader
	body = bytes.NewReader([]byte("Hello, world"))
	if body == nil {
		fmt.Printf("Nil\n")
	} else {
		fmt.Printf("Not Nil\n")
		var buf = make([]byte, 1024)
		n, err := body.Read(buf)
		if err != nil {
			fmt.Println(err)
		} else {
			fmt.Printf("Len: %d, data: %s\n", n, string(buf))
		}
	}
}