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undo my mistakes in v. 1.8

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[SVN r7789]
This commit is contained in:
Dave Abrahams
2000-09-24 01:45:04 +00:00
parent 45c15eaf03
commit cb96544da6
1 changed files with 16 additions and 9 deletions
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25
include/boost/graph/properties.hpp
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@@ -30,7 +30,10 @@
namespace boost {
enum default_color_type { white_color, gray_color, black_color };
typedef short default_color_type;
default_color_type white_color = 0;
default_color_type gray_color = 1;
default_color_type black_color = -1;
inline default_color_type white(default_color_type) { return white_color; }
inline default_color_type gray(default_color_type) { return gray_color; }
@@ -111,15 +114,15 @@ namespace boost {
struct dummy_edge_property_selector {
template <class Graph, class Plugin, class Tag>
struct bind {
typedef void type;
typedef void const_type;
typedef identity_property_map type;
typedef identity_property_map const_type;
};
};
struct dummy_vertex_property_selector {
template <class Graph, class Plugin, class Tag>
struct bind {
typedef void type;
typedef void const_type;
typedef identity_property_map type;
typedef identity_property_map const_type;
};
};
@@ -167,9 +170,6 @@ namespace boost {
//
// It is overly complicated because it's a workaround for
// partial specialization.
template <class Kind>
struct property_map_kind_selector { };
struct choose_vertex_property_map {
template <class Graph, class Property>
struct bind {
@@ -182,6 +182,12 @@ namespace boost {
typedef edge_property_map<Graph, Property> type;
};
};
template <class Kind>
struct property_map_kind_selector {
// VC++ gets confused if this isn't defined, even though
// this never gets used.
typedef choose_vertex_property_map type;
};
template <> struct property_map_kind_selector<vertex_property_tag> {
typedef choose_vertex_property_map type;
};
@@ -194,7 +200,8 @@ namespace boost {
class property_map {
typedef typename Property::kind Kind;
typedef typename detail::property_map_kind_selector<Kind>::type Selector;
typedef typename Selector::bind<Graph, Property>::type Map;
typedef typename Selector::template bind<Graph, Property> Bind;
typedef typename Bind::type Map;
public:
typedef typename Map::type type;
typedef typename Map::const_type const_type;