boostorg/detail
1
0
Fork 1
mirror of https://github.com/boostorg/detail.git synced 2025-07-30 12:27:15 +02:00
Code Issues Packages Projects Releases Wiki Activity

removed use of yes_type/no_type, not needed for borland workaround

Browse Source 
[SVN r9507]
This commit is contained in:
Jeremy Siek
2001-03-08 20:58:51 +00:00
parent 01426d35f3
commit be12189340
1 changed files with 6 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
include/boost/detail/named_template_params.hpp
View File

@ -8,7 +8,6 @@
#define BOOST_DETAIL_NAMED_TEMPLATE_PARAMS_HPP #define BOOST_DETAIL_NAMED_TEMPLATE_PARAMS_HPP
#include <boost/type_traits/conversion_traits.hpp> #include <boost/type_traits/conversion_traits.hpp>
#include <boost/type_traits/ice.hpp>
namespace boost { namespace boost {
namespace detail { namespace detail {
@ -27,14 +26,8 @@ namespace boost {
typedef detail::dummy_default_gen type; typedef detail::dummy_default_gen type;
}; };
template <class T> struct is_default { template <class T> struct is_default { enum { value = false }; };
enum { value = false }; template <> struct is_default<default_argument> { enum { value = true }; };
typedef boost::type_traits::no_type type;
};
template <> struct is_default<default_argument> {
enum { value = true };
typedef boost::type_traits::yes_type type;
};
struct choose_default { struct choose_default {
template <class Arg, class DefaultGen, class Base, class Traits> template <class Arg, class DefaultGen, class Base, class Traits>
@ -49,18 +42,17 @@ namespace boost {
typedef Arg type; typedef Arg type;
}; };
}; };
template <class UseDefault> template <bool UseDefault>
struct choose_arg_or_default { typedef choose_arg type; }; struct choose_arg_or_default { typedef choose_arg type; };
template <> template <>
struct choose_arg_or_default<boost::type_traits::yes_type> { struct choose_arg_or_default<true> {
typedef choose_default type; typedef choose_default type;
}; };
template <class Arg, class DefaultGen, class Base, class Traits> template <class Arg, class DefaultGen, class Base, class Traits>
class resolve_default { class resolve_default {
typedef typename choose_arg_or_default< enum { is_def = is_default<Arg>::value };
is_default<Arg>::type typedef typename choose_arg_or_default<is_def>::type Selector;
>::type Selector;
public: public:
typedef typename Selector typedef typename Selector
::template bind<Arg, DefaultGen, Base, Traits>::type type; ::template bind<Arg, DefaultGen, Base, Traits>::type type;