Proto for Boost mailing list page: Re: [proto] grammars, domains and subdomains

Subject: Re: [proto] grammars, domains and subdomains
From: Eric Niebler (eric_at_[hidden])
Date: 2010-12-08 15:50:36

On 12/8/2010 4:44 PM, Thomas Heller wrote:
> I will try to present a patch. I urgently need this feature to be 
> become officially supported to use it for phoenix3 (a scope opened by let or 
> lambda should be it's own sub domains in order to allow local variables, 
> theses shall not be allowed in a "regular" expression, and they should be 
> combinable with other expressions).

IIUC, this is to do "proper" error checking and detect scoping problems
early. But if you don't have this feature, you can still make properly
scoped expressions work, right? Can you move ahead with a looser grammar
and tighten it up later?

-- 
Eric Niebler
BoostPro Computing
http://www.boostpro.com