109 HB_EXTERN void
 110 hb_set_set (hb_set_t       *set,
 111             const hb_set_t *other);
 112 
 113 HB_EXTERN void
 114 hb_set_union (hb_set_t       *set,
 115               const hb_set_t *other);
 116 
 117 HB_EXTERN void
 118 hb_set_intersect (hb_set_t       *set,
 119                   const hb_set_t *other);
 120 
 121 HB_EXTERN void
 122 hb_set_subtract (hb_set_t       *set,
 123                  const hb_set_t *other);
 124 
 125 HB_EXTERN void
 126 hb_set_symmetric_difference (hb_set_t       *set,
 127                              const hb_set_t *other);
 128 
 129 HB_EXTERN void
 130 hb_set_invert (hb_set_t *set);
 131 
 132 HB_EXTERN unsigned int
 133 hb_set_get_population (const hb_set_t *set);
 134 
 135 /* Returns -1 if set empty. */
 136 HB_EXTERN hb_codepoint_t
 137 hb_set_get_min (const hb_set_t *set);
 138 
 139 /* Returns -1 if set empty. */
 140 HB_EXTERN hb_codepoint_t
 141 hb_set_get_max (const hb_set_t *set);
 142 
 143 /* Pass -1 in to get started. */
 144 HB_EXTERN hb_bool_t
 145 hb_set_next (const hb_set_t *set,
 146              hb_codepoint_t *codepoint);
 147 
 148 /* Pass -1 for first and last to get started. */
 149 HB_EXTERN hb_bool_t
 150 hb_set_next_range (const hb_set_t *set,
 151                    hb_codepoint_t *first,

 109 HB_EXTERN void
 110 hb_set_set (hb_set_t       *set,
 111             const hb_set_t *other);
 112 
 113 HB_EXTERN void
 114 hb_set_union (hb_set_t       *set,
 115               const hb_set_t *other);
 116 
 117 HB_EXTERN void
 118 hb_set_intersect (hb_set_t       *set,
 119                   const hb_set_t *other);
 120 
 121 HB_EXTERN void
 122 hb_set_subtract (hb_set_t       *set,
 123                  const hb_set_t *other);
 124 
 125 HB_EXTERN void
 126 hb_set_symmetric_difference (hb_set_t       *set,
 127                              const hb_set_t *other);
 128 



 129 HB_EXTERN unsigned int
 130 hb_set_get_population (const hb_set_t *set);
 131 
 132 /* Returns -1 if set empty. */
 133 HB_EXTERN hb_codepoint_t
 134 hb_set_get_min (const hb_set_t *set);
 135 
 136 /* Returns -1 if set empty. */
 137 HB_EXTERN hb_codepoint_t
 138 hb_set_get_max (const hb_set_t *set);
 139 
 140 /* Pass -1 in to get started. */
 141 HB_EXTERN hb_bool_t
 142 hb_set_next (const hb_set_t *set,
 143              hb_codepoint_t *codepoint);
 144 
 145 /* Pass -1 for first and last to get started. */
 146 HB_EXTERN hb_bool_t
 147 hb_set_next_range (const hb_set_t *set,
 148                    hb_codepoint_t *first,