[Boost-users] How to use if_then in boost::bind library

Hi, I have the code which copy from a STL list to another if a condition is met: list alist; for (list::iterator iter = alist.begin(); iter != alist.end(); ++iter) { A* a = (*iter); if ( a->aFunc( i, j) { destList.push_back(a); } } I try doing this, but it does not compile: for_each(alist.begin(), alist.end(), if_then( bind(&A::aFunc, _1 , i, j ), columnBlocks.push_back(_1))); There are my errors: error: no matching function for call to ‘std::vector

::push_back(const boost::lambda::lambda_functor &) error: ‘if_then’ was not declared in this scope

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