[Boost-users] boost::bind syntax with a vector of weak_ptrs

From: Forever Kid (foreverkid3_at_[hidden])
Date: 2007-03-28 23:46:15

What is the correct boost::bind syntax to use with a standard algorithm such as find_if with an array of weak_ptrs or shared_ptrs to an object such as a string?

My weak attempt to figure this out is below:  

shared_ptr<string> sp1(new string("Play "));
shared_ptr<string> sp2(new string("with "));
shared_ptr<string> sp3(new string("C++!"));

vector<weak_ptr<string> > a_vector;

a_vector.push_back(weak_ptr<string>(sp1));
a_vector.push_back(weak_ptr<string>(sp2));
a_vector.push_back(weak_ptr<string>(sp3));

// What is the correct syntax here?
find_if(a_vector.begin(), a_vector.end(), (bind(&equal_to<string>(), _1))(string("Play "));

Thanks,
Graham

 
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