From: Joel VanderWerf <joelvanderwerf@...>
Date: 2010-06-01T02:24:13+09:00
Subject: Re: uninitialized constant error... trying to create a TCPsocket in a module

Robert Klemme wrote:
> 2010/5/31 Dennis Nedry <dennis@cortex-media.info>:
>> On Mon, May 31, 2010 at 2:36 AM, Caleb Clausen <vikkous@gmail.com> wrote:
>>> Spelled wrong, I guess. The correct name is TCPSocket, not TCPsocket.
>>>
>> Thanks.  I looked at that for hours and didn't notice.  I take it the
>> rules have been more strictly enforced in 1.9 (because that's been
>> like that for years)?  I've never really cared for capitalisation
>> making a difference...
> 
> Capitalization of identifiers *always* made a difference in Ruby!
> ("always" meaning "as long as I use Ruby, which is somewhere since
> 1.8.x" - but I doubt such a crucial feature has changed before; if at
> all then I guess in one of 0.x versions.)

Almost always:

$ ruby -v -r socket -e 'p TCPSocket, TCPsocket'
ruby 1.8.7 (2010-01-10 patchlevel 249) [x86_64-linux]
TCPSocket
TCPSocket