what is wrong with my simple socket client?

[Andrea Fontana]

On Sunday, 7 April 2013 at 12:01:15 UTC, halida wrote:
> Here is the code:
>
> https://gist.github.com/halida/5330197
>
> I want to learn how to use socket in D,
> and use a echo server written in ruby as echo_server.rb,
> and I test it with telnet, it works fine.
> and I write the client.d,
> and the result is not what I expected,
> and don't know what is wrong,
> So anyone has a clue?
>
> Output is listed at the end of the gist. Thanks for your help.

What did you expect?