Eric Niebler wrote:
> Proto ships with a very small collection of callables for use in Proto
> transforms: wrappers for fusion algorithms like reverse and pop_front
> and the like. For 1.46, there will be a few more: make_pair, first,
> second, and wrappers for a few more Fusion algorithms. It's w
On 12/28/2010 5:39 AM, Thomas Heller wrote:
> I just saw that you added functional::at.
> I was wondering about the rationale of your decision to make it a non
> template.
> My gut feeling would have been to have proto::functional::at(seq)
> and not proto::functional::at(seq, N).
Think of the cas
Eric Niebler wrote:
> On 12/28/2010 5:39 AM, Thomas Heller wrote:
>> I just saw that you added functional::at.
>> I was wondering about the rationale of your decision to make it a non
>> template.
>> My gut feeling would have been to have proto::functional::at(seq)
>> and not proto::functional::at
On 12/28/2010 11:43 AM, Thomas Heller wrote:
> Eric Niebler wrote:
>
>> On 12/28/2010 5:39 AM, Thomas Heller wrote:
>>> I just saw that you added functional::at.
>>> I was wondering about the rationale of your decision to make it a non
>>> template.
>>> My gut feeling would have been to have proto
Eric Niebler wrote:
> On 12/28/2010 11:43 AM, Thomas Heller wrote:
>> Eric Niebler wrote:
>>
>>> On 12/28/2010 5:39 AM, Thomas Heller wrote:
I just saw that you added functional::at.
I was wondering about the rationale of your decision to make it a non
template.
My gut feeling
Here i smy use case. I guess Eric answer will be "do this at evaluation
time" but let's
I have some array/matrix DSEL going on. I want to test if two expression
containing
said matrix has compatible size before creating a proto ast node.
e.g if a,b are matrices, a + b should assert if size(a) !
On 12/28/2010 5:05 PM, Joel Falcou wrote:
> Here i smy use case. I guess Eric answer will be "do this at
> evaluation time"
Do this at evaluation time. Just kidding.
> but let's I have some array/matrix DSEL going on. I
> want to test if two expression containing said matrix has compatible
> siz
On 28/12/10 23:13, Eric Niebler wrote:
On 12/28/2010 5:05 PM, Joel Falcou wrote:
Here i smy use case. I guess Eric answer will be "do this at
evaluation time"
Do this at evaluation time. Just kidding.
See :p I was *sure* you will say that :p
You missed the "Generator" paramete
Last question. The geenrator awaits a Expr as parameters, what can be
the way to specialize this operator() dependign on the tag passed to the
generator ?
Extract tag_of out of Expr and then dispacth internally ?
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Disregard last question. a generator is just a callable, so i can use a
grammar as a generator I guess hence using the grammar to dispacth
the proper actions on my ast construction. Am I right ?
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Bingo.
--Original Message--
From: Joel Falcou
Sender: proto-boun...@lists.boost.org
To: Discussions about Boost.Proto and DSEL design
ReplyTo: Discussions about Boost.Proto and DSEL design
Subject: Re: [proto] Adding stuff in proto operator
Sent: Dec 28, 2010 5:35 PM
Disregard last quest
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