File: lvalue_pmap.cpp

package info (click to toggle)
boost1.74 1.74.0-9
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 464,084 kB
  • sloc: cpp: 3,338,324; xml: 131,293; python: 33,088; ansic: 14,336; asm: 4,034; sh: 3,351; makefile: 1,193; perl: 1,036; yacc: 478; php: 212; ruby: 102; lisp: 24; sql: 13; csh: 6
file content (60 lines) | stat: -rw-r--r-- 1,581 bytes parent folder | download | duplicates (10)
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
55
56
57
58
59
60
//=======================================================================
// Copyright 2002 Indiana University.
// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
//
// 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 <boost/graph/properties.hpp>
#include <boost/graph/adjacency_list.hpp>

using namespace boost;

struct vertex_info_t
{
};
struct edge_info_t
{
};
namespace boost
{
BOOST_INSTALL_PROPERTY(vertex, info);
BOOST_INSTALL_PROPERTY(edge, info);
};

typedef property< vertex_info_t, double > vertex_properties;
typedef property< edge_info_t, double > edge_properties;

typedef adjacency_list< vecS, vecS, bidirectionalS, vertex_properties,
    edge_properties >
    graph_t;

double& foo_1(graph_t& x)
{
    property_map< graph_t, vertex_info_t >::type pmap = get(vertex_info_t(), x);
    return pmap[vertex(0, x)];
}

const double& foo_2(graph_t const& x)
{
    property_map< graph_t, vertex_info_t >::const_type pmap
        = get(vertex_info_t(), x);
    return pmap[vertex(0, x)];
}

double& bar_1(graph_t& x)
{
    property_map< graph_t, edge_info_t >::type pmap = get(edge_info_t(), x);
    return pmap[edge(vertex(0, x), vertex(1, x), x).first];
}

const double& bar_2(graph_t const& x)
{
    property_map< graph_t, edge_info_t >::const_type pmap
        = get(edge_info_t(), x);
    return pmap[edge(vertex(0, x), vertex(1, x), x).first];
}

int main() { return 0; }