[LLVMdev] select1st, select2nd
clattner at apple.com
Fri Jul 15 13:54:30 PDT 2011
On Jul 15, 2011, at 1:37 PM, Scott Conger wrote:
> I believe he's referring to this:
I'm familiar with it. I'm asking why it is better to use it than an explicit loop.
> On Fri, Jul 15, 2011 at 1:29 PM, Chris Lattner <clattner at apple.com> wrote:
>> 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?
>> LLVM Developers mailing list
>> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu
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