File: remove_if.cpp

package info (click to toggle)
boost1.88 1.88.0-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 576,932 kB
  • sloc: cpp: 4,149,234; xml: 136,789; ansic: 35,092; python: 33,910; asm: 5,698; sh: 4,604; ada: 1,681; makefile: 1,633; pascal: 1,139; perl: 1,124; sql: 640; yacc: 478; ruby: 271; java: 77; lisp: 24; csh: 6
file content (54 lines) | stat: -rw-r--r-- 1,426 bytes parent folder | download | duplicates (14)
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
45
46
47
48
49
50
51
52
53
54

// Copyright Aleksey Gurtovoy 2000-2004
// Copyright David Abrahams 2003-2004
//
// 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)
//
// See http://www.boost.org/libs/mpl for documentation.

// $Id$
// $Date$
// $Revision$

#include <boost/mpl/remove_if.hpp>

#include <boost/mpl/list/list10_c.hpp>
#include <boost/mpl/list/list10.hpp>
#include <boost/mpl/front_inserter.hpp>
#include <boost/mpl/greater.hpp>
#include <boost/mpl/int.hpp>
#include <boost/mpl/equal.hpp>
#include <boost/mpl/size.hpp>
#include <boost/type_traits/is_float.hpp>

#include <boost/mpl/aux_/test.hpp>

MPL_TEST_CASE()
{
    typedef list10_c<int,0,1,2,3,4,5,6,7,8,9> numbers;
    typedef list5_c<int,4,3,2,1,0>::type answer;
    typedef remove_if<
          numbers
        , greater<_,int_<4> >
        , mpl::front_inserter< list0_c<int> >
        >::type result;

    MPL_ASSERT_RELATION( size<result>::value, ==, 5 );
    MPL_ASSERT(( equal<result,answer> ));
}

MPL_TEST_CASE()
{
    typedef list8<int,float,long,float,char,long,double,double> types;
    typedef list4<int,long,char,long>::type answer;
    typedef reverse_remove_if<
          types
        , is_float<_>
        , mpl::front_inserter< list0<> >
        >::type result;

    MPL_ASSERT_RELATION( size<result>::value, ==, 4 );
    MPL_ASSERT(( equal<result,answer> ));
}