Tuple: Remove obsolete MSVC version check.

[SVN r86038]
This commit is contained in:
Stephen Kelly
2013-09-30 00:21:22 +00:00
parent 2798fa2168
commit 40e5cd5e6c

View File

@ -103,14 +103,8 @@ namespace tuples {
template <class MyTail>
struct init_tail
{
// Each of vc6 and vc7 seem to require a different formulation
// of this return type
template <class H, class T>
#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
static typename add_reference<typename add_const<T>::type>::type
#else
static typename add_const_reference<T>::type
#endif
execute( cons<H,T> const& u, long )
{
return u.get_tail();
@ -313,59 +307,6 @@ namespace tuples {
};
namespace detail {
#if defined(BOOST_MSVC) && (BOOST_MSVC == 1300)
// special workaround for vc7:
template <bool x>
struct reference_adder
{
template <class T>
struct rebind
{
typedef T& type;
};
};
template <>
struct reference_adder<true>
{
template <class T>
struct rebind
{
typedef T type;
};
};
// Return a reference to the Nth type of the given Tuple
template<int N, typename Tuple>
struct element_ref
{
private:
typedef typename element<N, Tuple>::RET elt_type;
enum { is_ref = is_reference<elt_type>::value };
public:
typedef reference_adder<is_ref>::rebind<elt_type>::type RET;
typedef RET type;
};
// Return a const reference to the Nth type of the given Tuple
template<int N, typename Tuple>
struct element_const_ref
{
private:
typedef typename element<N, Tuple>::RET elt_type;
enum { is_ref = is_reference<elt_type>::value };
public:
typedef reference_adder<is_ref>::rebind<const elt_type>::type RET;
typedef RET type;
};
#else // vc7
// Return a reference to the Nth type of the given Tuple
template<int N, typename Tuple>
struct element_ref
@ -389,8 +330,6 @@ namespace tuples {
typedef typename add_reference<const elt_type>::type RET;
typedef RET type;
};
#endif // vc7
} // namespace detail
// Get length of this tuple