1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// Copyright (C) 2009-2012 Lorenzo Caminiti
// Distributed under the Boost Software License, Version 1.0
// (see accompanying file LICENSE_1_0.txt or a copy at
// http://www.boost.org/LICENSE_1_0.txt)
// Home at http://www.boost.org/libs/local_function
#include <boost/local_function.hpp>
#include <boost/typeof/typeof.hpp>
#include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
#include <boost/detail/lightweight_test.hpp>
#include <vector>
#include <algorithm>
struct employee {
int salary;
explicit employee(const int& a_salary): salary(a_salary) {}
};
BOOST_TYPEOF_REGISTER_TYPE(employee) // Register for `NAME` below.
int main(void) {
std::vector<employee> employees;
employees.push_back(employee(85000));
employees.push_back(employee(100000));
employees.push_back(employee(120000));
int min_salary = 100000;
int u_limit = min_salary + 1;
bool BOOST_LOCAL_FUNCTION(const bind& min_salary, const bind& u_limit,
const employee& e) {
return e.salary >= min_salary && e.salary < u_limit;
} BOOST_LOCAL_FUNCTION_NAME(between)
// Pass local function to an STL algorithm as a template paramter (this
// cannot be done with plain member functions of local classes).
std::vector<employee>::iterator i = std::find_if(
employees.begin(), employees.end(), between);
BOOST_TEST(i != employees.end());
BOOST_TEST(i->salary >= min_salary && i->salary < u_limit);
return boost::report_errors();
}
|
