Single leading dash in member variable names?

[Ian Kelly]

On Tue, Sep 11, 2012 at 11:10 PM, Dwight Hutto <dwightdhutto at gmail.com> wrote:
> Not to jump in with another question(this seems somewhat relevant to the
> conversation, maybe not), but is this similar to a private,public, or
> protected class similar to the C type langs?

More like "this is an implementation detail and in the future it could
be changed or removed entirely without warning".  I consider them
private unless documented otherwise.