> On May 4, 2015, 6:46 p.m., Alexander Rojas wrote:
> > I am not really sure this is the way to go in order to create a case
> > insensite hashmap. The class `hashmap` simply adds functionality to the
> > `boost::unordered_map`. If one checks the API for the latter, the way
> > needed to create an insensitive hashmap is to override the template
> > parameters `Hash` and `Pred`. So I think it would be better simply to
> > expose them in hashmap changin `stout/hashmpa.hpp` to:
> >
> > ```cpp
> > template <typename Key, typename Value, typename Hash = boost::hash<Key>,
> > typename Pred = std::equal_to<Key>>
> > class hashmap : public boost::unoredered_map<Key, Value, Hash, Pred>
> > {
> > …
> > };
> > ```
> >
> > The you only need to define functors that provide insensitive operatiosn
> > for `Hash` and `Pred` and finally a typedef.
Another approach here is to define a type for the key which captures what we
want ('CaseInsensitiveString'), this lets us capture it in the type signature
cleanly: hashmap<CaseInsensitiveString, string>.
But, in line with what Alex wrote, and from my
[comment](https://issues.apache.org/jira/browse/MESOS-328?focusedCommentId=14526217&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14526217)
in MESOS-328, I'd suggest one of the following:
(1) Use unordered_map with custom equality and hash in http::Request /
http::Response (we have c++11 now so can assume the presence of
std::unordered_map).
(2) Extend hashmap to support custom equality and hash, and use this in
http::Request / http::Response.
- Ben
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On May 3, 2015, 9:37 a.m., haosdent huang wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/33792/
> -----------------------------------------------------------
>
> (Updated May 3, 2015, 9:37 a.m.)
>
>
> Review request for mesos and Ben Mahler.
>
>
> Bugs: MESOS-328
> https://issues.apache.org/jira/browse/MESOS-328
>
>
> Repository: mesos
>
>
> Description
> -------
>
> Add InsensitiveHashMap.
>
>
> Diffs
> -----
>
> 3rdparty/libprocess/3rdparty/stout/include/Makefile.am
> 79239d738d0607364f8c3d7addfd54a642bdffc0
> 3rdparty/libprocess/3rdparty/stout/include/stout/insensitivehashmap.hpp
> PRE-CREATION
> 3rdparty/libprocess/3rdparty/stout/tests/insensitivehashmap_tests.cpp
> PRE-CREATION
>
> Diff: https://reviews.apache.org/r/33792/diff/
>
>
> Testing
> -------
>
> make check
>
>
> Thanks,
>
> haosdent huang
>
>
