Subject: Re: [boost] Disable_if_type / is_pair
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2011-10-12 08:22:18
Olaf van der Spek wrote:
> On Wed, Oct 12, 2011 at 1:33 PM, Stewart, Robert
> <Robert.Stewart_at_[hidden]> wrote:
> > Olaf van der Spek wrote:
> > It seems like you should be able to use the usual trait
> > class technique to determine whether c.find(v) is valid
> > syntax and, if so, dispatch to that implementation
> > preferentially, falling back on std::find() otherwise.
> Are such traits available or would that require me to write
> traits for every single class that has a find() member?
I pointed you to the libraries that might offer help in this regard. However, here I was suggesting that it might be possible to write a generic trait, like those in TypeTraits, that indicates whether c.find(v), given the c and v in your find_ptr() call, is valid.
Rob Stewart robert.stewart_at_[hidden]
Software Engineer using std::disclaimer;
Dev Tools & Components
Susquehanna International Group, LLP http://www.sig.com
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