===================================================================
@@ -25,84 +25,6 @@ #define HASH_MAP_TRAITS_H
#include "hash-traits.h"
-/* implement default behavior for traits when types allow it. */
-
-struct default_hashmap_traits
-{
- /* Hashes the passed in key. */
-
- template<typename T>
- static hashval_t
- hash (T *p)
- {
- return uintptr_t (p) >> 3;
- }
-
- /* If the value converts to hashval_t just use it. */
-
- template<typename T> static hashval_t hash (T v) { return v; }
-
- /* Return true if the two keys passed as arguments are equal. */
-
- template<typename T>
- static bool
- equal_keys (const T &a, const T &b)
- {
- return a == b;
- }
-
- /* Called to dispose of the key and value before marking the entry as
- deleted. */
-
- template<typename T> static void remove (T &v) { v.~T (); }
-
- /* Mark the passed in entry as being deleted. */
-
- template<typename T>
- static void
- mark_deleted (T &e)
- {
- mark_key_deleted (e.m_key);
- }
-
- /* Mark the passed in entry as being empty. */
-
- template<typename T>
- static void
- mark_empty (T &e)
- {
- mark_key_empty (e.m_key);
- }
-
- /* Return true if the passed in entry is marked as deleted. */
-
- template<typename T>
- static bool
- is_deleted (T &e)
- {
- return e.m_key == (void *)1;
- }
-
- /* Return true if the passed in entry is marked as empty. */
-
- template<typename T> static bool is_empty (T &e) { return e.m_key == NULL; }
-
-private:
- template<typename T>
- static void
- mark_key_deleted (T *&k)
- {
- k = reinterpret_cast<T *> (1);
- }
-
- template<typename T>
- static void
- mark_key_empty (T *&k)
- {
- k = static_cast<T *> (0);
- }
-};
-
/* Implement hash_map traits for a key with hash traits H. Empty and
deleted map entries are represented as empty and deleted keys. */