Hi Konstantin,
This problem with std::map has been fixed in the development version in CVS.
If you import the source, run
make cintdlls
Rene Brun
Konstantin Olchanski wrote:
>
> We are trying to use std::map in a ROOT macro and it is not working. A similar example using std::vector works fine. Is std::map supposed to work at all?
>
> With the test script below, I get a variety of results, ranging from "Error: class,struct,union or type string,int,std not defined" to a core dump, depending on which include file I include: "map", "map.h", "_map", etc. I get similar results with root_v3.10.02 and with a (not so recent) CVS snapshot.
>
> [olchansk@send root]$ cat map.C
> #include <string>
> #include <map>
> #include <function>
>
> typedef std::string sss;
> typedef std::less<std::string> cmp;
> //typedef std::map<sss, int, cmp> mmm;
>
> int map()
> {
> std::map<std::string, int, std::less<std::string> > age;
>
> age["Fred"] = 42; // Fred is 42 years old
> age["Barney"] = 37; // Barney is 37
>
> cout << age["Fred"] << endl;
> }
>
> And results from running it:
>
> [olchansk@send root]$ echo $ROOTSYS
> /triumfcs/trshare/olchansk/root/root_v3.10.02_RH9
> [olchansk@send root]$ $ROOTSYS/bin/root -l map.C
> root [0]
> Processing map.C...
> Error: class,struct,union or type string,int,std not defined FILE:map.C LINE:13
> Error: class,struct,union or type string,int,std not defined FILE:map.C LINE:13
> Error: class,struct,union or type string,int,std not defined FILE:map.C LINE:13
> Error: Symbol less<std::string> is not defined in current scope FILE:map.C LINE:13
> Error: Symbol age is not defined in current scope FILE:map.C LINE:13
> (const int)0
> *** Interpreter error recovered ***
>
> --
> Konstantin Olchanski
> Data Acquisition Systems: The Bytes Must Flow!
> Email: olchansk-at-triumf-dot-ca
> Snail mail: 4004 Wesbrook Mall, TRIUMF, Vancouver, B.C., V6T 2A3, Canada
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