2641 struct ClassDef  struct
2644   static constexpr unsigned SENTINEL = 0;
2645   typedef unsigned int value_t;
2646   value_t operator [] (hb_codepoint_t k) const { return get (k); }  in operator []()
2647   bool has (hb_codepoint_t k) const { return (*this)[k] != SENTINEL; }  in has()
2649   hb_codepoint_t operator () (hb_codepoint_t k) const { return get (k); }  in operator ()()
2651   unsigned int get (hb_codepoint_t k) const { return get_class (k); }  in get()
2652   unsigned int get_class (hb_codepoint_t glyph_id) const  in get_class()
2663   bool serialize (hb_serialize_context_t *c, Iterator it_with_class_zero)  in serialize()
2709   bool subset (hb_subset_context_t *c,  in subset()
2723   bool sanitize (hb_sanitize_context_t *c) const  in sanitize()
2737   bool collect_coverage (set_t *glyphs) const  in collect_coverage()
2749   bool collect_class (set_t *glyphs, unsigned int klass) const  in collect_class()
2758   bool intersects (const hb_set_t *glyphs) const  in intersects()
2766   bool intersects_class (const hb_set_t *glyphs, unsigned int klass) const  in intersects_class()
2775 …intersected_class_glyphs (const hb_set_t *glyphs, unsigned klass, hb_set_t *intersect_glyphs) const  in intersected_class_glyphs()
2785   union {
2789   } u;