package main

import (
	"bytes"
	"fmt"
	"io"

	brotli "github.com/andybalholm/brotli"
)

func main() {
	input := []byte("hello world")
	out := bytes.Buffer{}
	writer := brotli.NewWriterOptions(&out, brotli.WriterOptions{Quality: 1})
	in := bytes.NewReader(input)
	n, err := io.Copy(writer, in)
	if err != nil {
		panic(err)
	}

	if int(n) != len(input) {
		panic("size mismatch")
	}

	if err := writer.Close(); err != nil {
		panic(err)
	}

	fmt.Println(out.Bytes()) // [11 5 128 104 101 108 108 111 32 119 111 114 108 100 3]
}