/* $Id: H:/drh/idioms/book/RCS/set.doc,v 1.11 1996/06/26 23:02:01 drh Exp $ */
#ifndef SET_INCLUDED
#define SET_INCLUDED
#define T Set_T
typedef struct T *T;
extern T Set_new (int hint,
int cmp(const void *x, const void *y),
unsigned hash(const void *x));
extern void Set_free(T *set);
extern int Set_length(T set);
extern int Set_member(T set, const void *member);
extern void Set_put (T set, const void *member);
extern void *Set_remove(T set, const void *member);
extern void Set_map (T set,
void apply(const void *member, void *cl), void *cl);
extern void **Set_toArray(T set, void *end);
extern T Set_union(T s, T t);
extern T Set_inter(T s, T t);
extern T Set_minus(T s, T t);
extern T Set_diff (T s, T t);
#undef T
#endif
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