1 2 // Copyright (C) 2009-2012 Lorenzo Caminiti 3 // Distributed under the Boost Software License, Version 1.0 4 // (see accompanying file LICENSE_1_0.txt or a copy at 5 // http://www.boost.org/LICENSE_1_0.txt) 6 // Home at http://www.boost.org/libs/local_function 7 8 #include <boost/local_function.hpp> 9 #include <boost/typeof/typeof.hpp> 10 #include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP() 11 #include <boost/detail/lightweight_test.hpp> 12 #include <vector> 13 #include <algorithm> 14 15 struct employee { 16 int salary; employeeemployee17 explicit employee(const int& a_salary): salary(a_salary) {} 18 }; BOOST_TYPEOF_REGISTER_TYPE(employee)19BOOST_TYPEOF_REGISTER_TYPE(employee) // Register for `NAME` below. 20 21 int main(void) { 22 std::vector<employee> employees; 23 employees.push_back(employee(85000)); 24 employees.push_back(employee(100000)); 25 employees.push_back(employee(120000)); 26 27 int min_salary = 100000; 28 int u_limit = min_salary + 1; 29 30 bool BOOST_LOCAL_FUNCTION(const bind& min_salary, const bind& u_limit, 31 const employee& e) { 32 return e.salary >= min_salary && e.salary < u_limit; 33 } BOOST_LOCAL_FUNCTION_NAME(between) 34 35 // Pass local function to an STL algorithm as a template paramter (this 36 // cannot be done with plain member functions of local classes). 37 std::vector<employee>::iterator i = std::find_if( 38 employees.begin(), employees.end(), between); 39 40 BOOST_TEST(i != employees.end()); 41 BOOST_TEST(i->salary >= min_salary && i->salary < u_limit); 42 return boost::report_errors(); 43 } 44 45