Re: [Boost-users] bind member function of a member of a class...

4 Mar 2009


      I'm still a novice with bind but I think you have to bind twice:

#include <iostream>
#include <functional>
#include <algorithm>

#include 
using std::cout;
using std::endl;
using std::equal_to;

class A
{
 int i_;
public:
 int test() {return i_;}
};

class B
{
  A _a;
public:
  A& getA() {return _a;}
};

int main()
{
    B b;

    cout << (1 == boost::bind(&A::test,
            boost::bind(&B::getA, &b))()) << endl;
    return 0;
}


On Wed, Mar 4, 2009 at 2:33 PM, Archie14  wrote:
...
I cannot figure out how to use boost::bind in following scenario:
class A
{
 int i_;
public:
 int test() {return i;}
};
class B
{
  A _a;
public:
  A& getA() {return _a;}
}
bool testbind()
{
 B b;
// here I am trying to find out if b.getA().test() equals 1
 // I understand that B::getA::test is incorrect, and that's my question-
 // how to use bind here?
 return (boost::bind (&B::getA::test, b) ==1);
}
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-- 
Kevin

Re: [Boost-users] bind member function of a member of a class...

Kevin Ludwig