From io.Reader to string in Go

Question

I have an io.ReadCloser object (from an http.Response object).

What\'s the most efficient way to convert the entire stream to a strin

Answer 1

func copyToString(r io.Reader) (res string, err error) {
    var sb strings.Builder
    if _, err = io.Copy(&sb, r); err == nil {
        res = sb.String()
    }
    return
}