/* * integerset.h * In-memory data structure to hold a large set of integers efficiently * * Portions Copyright (c) 2012-2021, PostgreSQL Global Development Group * * src/include/lib/integerset.h */ #ifndef INTEGERSET_H #define INTEGERSET_H typedef struct IntegerSet IntegerSet; extern IntegerSet *intset_create(void); extern void intset_add_member(IntegerSet *intset, uint64 x); extern bool intset_is_member(IntegerSet *intset, uint64 x); extern uint64 intset_num_entries(IntegerSet *intset); extern uint64 intset_memory_usage(IntegerSet *intset); extern void intset_begin_iterate(IntegerSet *intset); extern bool intset_iterate_next(IntegerSet *intset, uint64 *next); #endif /* INTEGERSET_H */