Encode/Decode base64

Question

here is my code and i don\'t understand why the decode function doesn\'t work.

Little insight would be great please.

func EncodeB64(message string) (reto         


        

Answer 1

@Denys Séguret's answer is almost 100% correct. As an improvement to avoid wasting memory with non used space in base64Text, you should use base64.DecodedLen. Take a look at how base64.DecodeString uses it. It should look like this:

func main() {
    message := base64.StdEncoding.EncodeToString([]byte("Hello, playground"))

    base64Text := make([]byte, base64.StdEncoding.DecodedLen(len(message)))

    n, _ := base64.StdEncoding.Decode(base64Text, []byte(message))
    fmt.Println("base64Text:", string(base64Text[:n]))
}

Try it here.