What's wrong with this?

[sop3k]

Compiling the code below, by VC++ 6.0 I get an error like this:

visual c++\vc98\include\functional(263) : error C2562: '()' : 'void'
function returning a value
visual c++\vc98\include\functional(262) : see declaration of '()'
visual c++\vc98\include\functional(263) : while compiling
class-template member function 'void __thiscall
std::mem_fun_ref_t<void,class CStr>:perator
()(class CStr &) const'

####Code####

#include<iostream>
#include<algorithm>
#include<functional>
#include<vector>
#include<string>

class CStr{
std::string s;
public:
CStr(std::string sl) { s= sl;}
void Print(){ std::cout<<s<<std::endl; }
};

char t[10];
std::vector<CStr> v;
std::string el;

int main(){
for(int i=0;i<10;i++){
el+=itoa(i,t,10);
v.push_back(el);
}

std::for_each(v.begin(),v.end(),std::mem_fun_ref(&CStr:rint));
return 0;
}

What's wrong?

With Best Regards
Tomasz Sobkowiak

 

[Andrey Tarasevich]

Compiling the code below, by VC++ 6.0 I get an error like this:

visual c++\vc98\include\functional(263) : error C2562: '()' : 'void'
function returning a value
visual c++\vc98\include\functional(262) : see declaration of '()'
visual c++\vc98\include\functional(263) : while compiling
class-template member function 'void __thiscall
std::mem_fun_ref_t<void,class CStr>:perator
()(class CStr &) const'

It is a known problem of this compiler. Change your 'CStr:rint'
function to return a dummy value of type, say, 'int' and the code will
compile.

####Code####

#include<iostream>
#include<algorithm>
#include<functional>
#include<vector>
#include<string>

class CStr{
std::string s;
public:
CStr(std::string sl) { s= sl;}
void Print(){ std::cout<<s<<std::endl; }
};

char t[10];
std::vector<CStr> v;
std::string el;

int main(){
for(int i=0;i<10;i++){
el+=itoa(i,t,10);
v.push_back(el);
}

std::for_each(v.begin(),v.end(),std::mem_fun_ref(&CStr:rint));
return 0;
}