package main

import (
	"fmt"
	"io"
	"strings"
)

func main() {
	fmt.Println("the io package specifies io.Reader interface, which represents the end of a stream of data")

	r := strings.NewReader("📩⍼ ꜜx Hello, Your Computer has virus .d")
	// specifies new Reader

	b := make([]byte, 4)
	// think this like a bucket for temporary inputs

	for {
		n, err := r.Read(b)
		// Read gets Reader (r) and gets next b byte in it
		// returns n (number of bytes populated)
		// and err (error, EOF for example)

		fmt.Println(n, err, b)
		fmt.Println(b[:n])
		fmt.Printf("%s\n\n", b[:n])

		if err == io.EOF {
			break
		}
	}
}