Corey,
I did a couple of things:
- Added the following as you suggested:
using std::hash; in the .cc file.
- Removed stl_hash_fun.h and tried to compile.
I get the exact same errors as my original posting in
both the cases.
Parms
--- corey taylor <corey.taylor@xxxxxxxxx> wrote:
> Parms,
>
> You are using the stl_hash_fun.h header file so
> hash is declared
> inside the stl namespace. You need to fully qualify
> it with the std::
> namespace or add
>
> using std::hash;
>
> Beneath the includes.
>
> corey
>
> On Mon, 28 Mar 2005 09:29:10 -0800 (PST), Parms
> singh
> <list_track@xxxxxxxxx> wrote:
> > Hello,
> >
> > I am running gcc version 3.2.2 20030222 (Red Hat
> Linux
> > 3.2.2-5).
> >
> > I am a relative newbee to c++ (haven't used it in
> a
> > while).
> >
> > In my .h file:
> > #include <ext/stl_hash_fun.h>
> > #include <ext/hash_map>
> >
> > class HTEntry {
> > public:
> > double time;
> > double ttl;
> > };
> >
> > typedef hash_map<int, pair<int,HTEntry>,
> hash<int>,
> > equal_to<int> > HMap;
> >
> > class Hash_Table
> > {
> > public:
> > void increment(int, double, double);
> > int lookup(int,double,double);
> > int findsize(double,bool);
> > int estimate_hit(double);
> > protected:
> > HMap flows;
> > };
> >
> > In the .cc file:
> > #include <iostream>
> > #include <sstream>
> > #include <cmath>
> > #include <valarray>
> > #include <string>
> > #include <sys/types.h>
> > #include "config.h"
> > #include "template.h"
> > #include "flags.h"
> > #include "delay.h"
> > #include "rd.h"
> >
> > using namespace std;
> >
> > void Hash_Table::increment(int id, double t_now,
> > double ttl)
> > {
> > HMap::iterator iter;
> > iter=flows.find(id);
> > double timelived, thresh;
> > int hits;
> > // bunch of stuff
> > }
> >
> > //other functions that I leave out.
> >
> > Errors:
> > In file included from qd.cc:78:
> > qd.h:154: `hash' was not declared in this scope
> > qd.h:154: parse error before `>' token
> > qd.h:173: 'HMap' is used as a type, but is not
> defined
> > as a type.
> > qd.cc: In member function `void
> > Hash_Table::increment(int, double, double)':
> > qd.cc:1232: `HMap' undeclared (first use this
> > function)
> > qd.cc:1232: (Each undeclared identifier is
> reported
> > only once for each
> > function it appears in.)
> > qd.cc:1232: parse error before `::' token
> > qd.cc:1233: `iter' undeclared (first use this
> > function)
> > qd.cc:1233: `flows' undeclared (first use this
> > function)
> > qd.cc: In member function `int
> > Hash_Table::findsize(double, bool)':
> > qd.cc:1274: parse error before `::' token
> > qd.cc: In member function `int
> Hash_Table::lookup(int,
> > double, double)':
> > qd.cc:1360: parse error before `::' token
> > make: *** [qd.o] Error 1
> >
> > Similar errors for other functions removed for
> > simplicity.
> >
> > Any help is appreciated.
> >
> >
> > __________________________________
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>
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