File: lambda_tests19.cpp

package info (click to toggle)
boost1.90 1.90.0-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 593,120 kB
  • sloc: cpp: 4,190,908; xml: 196,648; python: 34,618; ansic: 23,145; asm: 5,468; sh: 3,774; makefile: 1,161; perl: 1,020; sql: 728; ruby: 676; yacc: 478; java: 77; lisp: 24; csh: 6
file content (41 lines) | stat: -rw-r--r-- 1,346 bytes parent folder | download | duplicates (16)
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
/*=============================================================================
    Copyright (c) 2001-2007 Joel de Guzman
    Copyright (c) 2014      John Fletcher
    Copyright (c) 2018      Kohei Takahsahi

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#include <vector>

#include <boost/detail/lightweight_test.hpp>
#include <boost/phoenix/core.hpp>
#include <boost/phoenix/operator/self.hpp>
#include <boost/phoenix/operator/arithmetic.hpp>
#include <boost/phoenix/scope/lambda.hpp>
#include <boost/phoenix/stl/algorithm/iteration.hpp>
#include <boost/phoenix/stl/container.hpp>

int main()
{
    using boost::phoenix::lambda;
    using boost::phoenix::ref;
    using boost::phoenix::arg_names::_1;
    using boost::phoenix::arg_names::_2;
    using boost::phoenix::local_names::_a;
    using boost::phoenix::placeholders::arg1;

    using boost::phoenix::for_each;
    using boost::phoenix::push_back;

    int x = 10;
    std::vector<std::vector<int> > v(10);
    for_each(_1, lambda(_a = _2)[push_back(_1, _a)])(v, x);

    int y = 0;
    for_each(arg1, lambda[ref(y) += _1[0]])(v);
    BOOST_TEST(y == 100);

    return boost::report_errors();
}