[LLVMdev] select1st, select2nd

[Chris Lattner]

On Jul 15, 2011, at 12:35 PM, David Greene wrote:

> I've run into a use case where I'd like to use a mapped_iterator to
> iterator the 1st (or 2nd) items in a sequence of std::pairs.  Does
> select1st/select2nd exist somewhere within LLVM or is there some
> equivalent?  If not, I'll add it.

Is this making the resultant loop simpler?  C++ without lambda's isn't very friendly to functors, what is the before/after effect of doing this?

-Chris