#include <integeritem.h>
-unsigned long integeritem_hashcode(itemkeyfun *this,void *key) {
+/**
+ * This callback function returns the hashcode of a key. The hashcode
+ * is used for indexing into the backing vector for finding the an
+ * item via its key. The same key must map consistently to the same
+ * hashcode while the hashtable contains an item with that key.
+ * Different keys map map to the same hashcode, in which case the
+ * vector placement is made at the first empty or hole slot following
+ * the hashcode index.
+ */
+static unsigned long integeritem_hashcode(void *this,void *key) {
return (unsigned long) key;
}
* This callback function determines whether an item has a
* given key or not.
*/
-int integeritem_haskey(itemkeyfun *this,void *item,void *key) {
+static int integeritem_haskey(void *this,void *item,void *key) {
return item == key;
}
* This callback function returns the key of an item by considering
* the arity and schema.
*/
-void *integeritem_itemkey(itemkeyfun *this,void *item) {
+static void *integeritem_itemkey(void *this,void *item) {
return item;
}
* This callback function handles a key obtained from the itemkey
* callback function to reclaim temporary allocation.
*/
-void integeritem_releasekey(itemkeyfun *this,void *key) {
+static void integeritem_releasekey(void *this,void *key) {
}
itemkeyfun integeritem = {