Re: [boost] [Proto] Review

From: Eric Niebler (eric_at_[hidden])
Date: 2008-03-31 22:33:37

Steven Watanabe wrote:
> Eric Niebler wrote:
>> Steven Watanabe wrote:
>>> I can imagine wanting one domain to treat expressions in another
>>> domain as terminals.  Specifically, I am thinking of using lambda
>>> in another domain that expects function objects.
>>> 
>> Could you show some pseudo-code for your DSEL? What support from
>> Proto do you think you'll need?
> 
> Sorry.  I should have said that I can see the possibility of using
> lambda... It may be sufficient to wrap such expressions in lit().
> (Is there any issue with putting an expr in a terminal?)  I'll try to
> think of something more concrete.

There's no problem with putting an expression in a terminal, except that 
Proto algorithms like matches and deep_copy won't recurse into it.

-- 
Eric Niebler
Boost Consulting
www.boost-consulting.com