Re: [boost] phoenix::bind

Subject: Re: [boost] phoenix::bind
From: Joel de Guzman (joel_at_[hidden])
Date: 2008-09-30 00:59:45

Steven Watanabe wrote:
> AMDG
> 
> Eric Niebler wrote:
>>> The other thorny issue is that lambda expressions aren't Assignable, 
>>> because their operator= creates a new lambda exression instead. This 
>>> might well be unfixable.
>>
>> We could make lambdas Assignable by defining the ordinary assignment 
>> operator when the rhs has the same type as the lhs. That would rule 
>> out strange lambdas like "_1 = _1" , but I don't see that as a huge loss.
> 
> what about a nullary lambda:
> 
> vector<int> v1, v2;
> 
> (ref(v1) = ref(v2))();

Yikes! Yeah :(

Regards,
-- 
Joel de Guzman
http://www.boostpro.com
http://spirit.sf.net