Re: [boost] [mpl] is there a or_seq like logical metafunction?

Subject: Re: [boost] [mpl] is there a or_seq like logical metafunction?
From: Larry Evans (cppljevans_at_[hidden])
Date: 2009-02-13 12:36:31

On 02/12/09 17:16, Larry Evans wrote:
[snip]
> when only the last one is really needed.  Which
> leads to the obvious (at least now) optimization
> of just making State as the last element in the
> eval_if super of while_.

I tried this with results shown in boost vault/Template 
Metaprogramming/and_seq_profile.while_no_else.zip.

This "op[timization" was ineffective. There were
303 instantiations vs. the 297 in the original
version :( .