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Copied Jeremiah's fix (using Boost.Iterator's arrow proxy) back to the trunk.

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[SVN r62969]
This commit is contained in:
Ronald Garcia 2010-06-15 12:04:50 +00:00
parent 029dde4039
commit 6b6d2320ea
1 changed files with 19 additions and 0 deletions
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19
include/boost/multi_array/iterator.hpp
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@ -33,6 +33,17 @@ namespace multi_array {
// iterator components
/////////////////////////////////////////////////////////////////////////
template <class T>
struct operator_arrow_proxy
{
operator_arrow_proxy(T const& px) : value_(px) {}
T* operator->() const { return &value_; }
// This function is needed for MWCW and BCC, which won't call operator->
// again automatically per 13.3.1.2 para 8
operator T*() const { return &value_; }
mutable T value_;
};
template <typename T, typename TPtr, typename NumDims, typename Reference>
class array_iterator;
@ -103,6 +114,14 @@ public:
strides_(rhs.strides_), index_base_(rhs.index_base_) { }
// RG - we make our own operator->
operator_arrow_proxy<reference>
operator->() const
{
return operator_arrow_proxy<reference>(this->dereference());
}
reference dereference() const
{
typedef typename value_accessor_generator<T,NumDims>::type accessor;