[LLVMdev] [cfe-dev] C++11 reverse iterators (was C++11 is here)

[Sean Silva]

On Mon, Mar 3, 2014 at 12:26 AM, Chris Lattner <sabre at nondot.org> wrote:

>
> On Mar 2, 2014, at 8:53 PM, Renato Golin <renato.golin at linaro.org> wrote:
>
> > On 3 March 2014 12:32, Pete Cooper <peter_cooper at apple.com> wrote:
> >> Would those work with a foreach construct? Perhaps I forgot to mention
> that was what I'm trying to work out here.
> >>
> >> In example 3 I was wondering if we could define a method reverse(). We
> could use sfinae to wrap that around rbegin/rend if people like that style?
> >
> > Sorry, I was too terse... ;)
> >
> > If MF is a reverse_iterator, it'd just work, no? But to get the
> > reverse iterator, I think reverse() would be the best general pattern,
> > since you can adapt it to each container needs.
>
> I'm not aware of the prior art or standards are here, but I think that a
> global reverse() adapter is the way to go.  Likewise, we should have a
> standard "enumerate()" adaptor like python.
>

`enumerate` is going to be so much more annoying to use without tuple
unpacking in the `for` syntax :(

-- Sean Silva


>
> -Chris
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