cant use string class

[blayde]

this is wierd. i've never seen somthing like this before. if i compile the following class i get a message that i'm using "string" as a class, but it isn't defined as a class.

if i take out the irr' 'include' and 'usings' it compiles fine. cant find anything on google. anyone know what is going on ?

Code: Select all

#include "irrlicht.h"
#include "vector3d.h"
#include <string>
//#include <iostream>


using namespace irr;
using namespace core;
using namespace std;

class PlayerData
{
	private:
	string mdlLoc;
	string texLoc;
	//vector3df position;
 	//vector3df rotation;
 	public:
 	void test(){};
};

[warui]

You include string from STL, but Irrlicht has also it's own string class. So how compilator can guess which one you want to use. Try following (if STL string is what you want):

Code: Select all

#include "irrlicht.h" 
#include "vector3d.h" 
#include <string> 
//#include <iostream> 


using namespace irr; 
using namespace core; 

class PlayerData 
{ 
   private: 
   std::string mdlLoc; 
   std::string texLoc; 
   //vector3df position; 
    //vector3df rotation; 
    public: 
    void test(){}; 
}; 

[blayde]

ahh, ok.

thanks a lot.

hmm, is there any way around that ?
doing std::string all the time is going to be annoying and messy.

[warui]

You can don't use "using namespace core;" but then you will have to use "core::" before all the stuff from this namespace. Or you can stop using STL string, and use Irrlicht one

But i strongly suggest to familiarize with namespaces. It might be annoying adn messy in the begining but later you will understand how helpful they are.

[blayde]

yeah, i understand namespaces. just never seen this prob before. and i was hoping there was a way to tell the compiler "assume i'm using namespace 'std'"

thanks

[warui]

"using namespace std" is exacly "assume i'm using namespace 'std'"
But you also told compiler to asume that you are using irr and core namespace .

[blayde]

sorry, buggered that up, i meant i wanted to tell it that in the case of a collision of multiple difinitions i wanted it to assume i was reffering to 'std'

[thesmileman]

You could do a define statement at the top of your code so that you do not have to type stl::string everytime like this but I mean you are still just saving three letters. I guess that could add up a lot of time if you have trouble typeing "::"

Code: Select all

#define string2 stl::string

[blayde]

yeah, though about it. thought about changed irr's string class name too. i'll see once i start to use this code for reall.

i'll probably do the latter, i think that's how it should be in the first place anyhow.