[boost] why or_, and_ names? (was Re: Preliminary submission: Boost.Proto DSEL Framework

From: Larry Evans (cppljevans_at_[hidden])
Date: 2007-04-04 10:50:14

On 04/04/2007 02:18 AM, Eric Niebler wrote:

>As discussed here recently, Boost.Proto is an expression template (ET) 
>framework for building domain-specific embedded languages (DSEL). The 
>purpose of this preliminary submission is to solicit feedback prior to a 
>full submission (and to buy myself a little time to polish the 
>docs/tests/examples :-).
>
Proto uses or_ and and_ for alternatives
and sequences. It seems that alt_ and seq_ would be closer
to the spirit names.   Any reason why those names were
preferred over alt_ and seq_?