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Use an enumerated type for indexing styles

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[SVN r1514]
This commit is contained in:
Raoul Gough
2003-09-09 18:27:28 +00:00
parent eac3f3d9ad
commit 081251bc8a
1 changed files with 11 additions and 5 deletions
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16
include/boost/python/suite/indexing/iterator_suite.hpp
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@@ -31,6 +31,12 @@
#include <boost/type_traits.hpp>
namespace indexing {
enum IndexStyle {
index_style_none // No random access (iteration only)
, index_style_nonlinear // Random access by key (no slicing)
, index_style_linear // Random access by integer index (allows slicing)
};
//////////////////////////////////////////////////////////////////////////
// Indexing traits for containers based on iterator pairs
//////////////////////////////////////////////////////////////////////////
@@ -49,10 +55,10 @@ namespace indexing {
typedef typename std_traits::difference_type index_type;
typedef value_type key_type; // find, count, ...
static bool const has_copyable_iter = false;
static bool const is_reversible = false;
static bool const has_random_access = false;
static bool const has_mutable_ref = is_mutable_ref<reference>::value;
static bool const has_copyable_iter = false;
static bool const is_reversible = false;
static bool const has_mutable_ref = is_mutable_ref<reference>::value;
static IndexStyle const index_style = index_style_none;
};
template<typename Iterator>
@@ -73,7 +79,7 @@ namespace indexing {
struct random_access_iterator_traits
: public bidirectional_iterator_traits<Iterator>
{
static bool const has_random_access = true;
static IndexStyle const index_style = index_style_linear;
};
namespace iterator_detail {