Re: C++: no hash_map while it is there?
On Sun, Nov 18, 2001 at 04:12:06AM +0100, Martin v. Loewis wrote:
> > > It does compile cleanly when replacing <hash_map> with <map> or with
> > > <hash_map.h>.
> >
> > It may be that that is the proper way to do it; I'm not familiar enough with
> > STL to know. Perhaps someone on debian-gcc can comment on this?
>
> Including <map> is certainly the wrong approach; it gives you an rb
> tree, not a hash table.
>
> I believe the right way is to do
>
> #include <ext/hash_map>
Yes. See http://gcc.gnu.org/onlinedocs/libstdc++/faq/index.html#5_4 for more.
> I also believe that the comment in this header claiming that it is
> internal is incorrect; the headers without .h are never internal, but
> meant for the user only.
Yeah, I think I added those comments by mistake. The stuff in 'ext'
occasionally gets rearranged en masse.
Phil
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