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Merged array changes to release; fixes #4757

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[SVN r67477]
This commit is contained in:
Marshall Clow
2010-12-28 18:28:22 +00:00
parent a603bffc48
commit 9644ee6662
3 changed files with 79 additions and 2 deletions
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32
include/boost/array.hpp
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@ -346,7 +346,34 @@ namespace boost {
x.swap(y);
}
// Specific for boost::array: simply returns its elems data member.
#if defined(__SUNPRO_CC)
// Trac ticket #4757; the Sun Solaris compiler can't handle
// syntax like 'T(&get_c_array(boost::array<T,N>& arg))[N]'
//
// We can't just use this for all compilers, because the
// borland compilers can't handle this form.
namespace detail {
template <typename T, std::size_t N> struct c_array
{
typedef T type[N];
};
}
// Specific for boost::array: simply returns its elems data member.
template <typename T, std::size_t N>
typename detail::c_array<T,N>::type& get_c_array(boost::array<T,N>& arg)
{
return arg.elems;
}
// Specific for boost::array: simply returns its elems data member.
template <typename T, std::size_t N>
typename const detail::c_array<T,N>::type& get_c_array(const boost::array<T,N>& arg)
{
return arg.elems;
}
#else
// Specific for boost::array: simply returns its elems data member.
template <typename T, std::size_t N>
T(&get_c_array(boost::array<T,N>& arg))[N]
{
@ -359,7 +386,8 @@ namespace boost {
{
return arg.elems;
}
#endif
#if 0
// Overload for std::array, assuming that std::array will have
// explicit conversion functions as discussed at the WG21 meeting