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[map] add iteration

This commit is contained in:
rsheeter 2019-05-08 11:40:31 -07:00 committed by Behdad Esfahbod
parent df237d2fe7
commit 183b8094b5
1 changed files with 11 additions and 0 deletions
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11
src/hb-map.hh
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@ -62,6 +62,7 @@ struct hb_hashmap_t
bool is_unused () const { return key == kINVALID; } bool is_unused () const { return key == kINVALID; }
bool is_tombstone () const { return key != kINVALID && value == vINVALID; } bool is_tombstone () const { return key != kINVALID && value == vINVALID; }
bool is_real () const { return key != kINVALID && value != vINVALID; } bool is_real () const { return key != kINVALID && value != vINVALID; }
hb_pair_t<K, V> get_pair() const { return hb_pair (key, value); }
}; };
hb_object_header_t header; hb_object_header_t header;
@ -206,6 +207,16 @@ struct hb_hashmap_t
unsigned int get_population () const { return population; } unsigned int get_population () const { return population; }
/*
* Iterator
*/
auto iter() const HB_AUTO_RETURN
(
+ hb_array_t<item_t> (items, mask + 1)
| hb_filter (&item_t::is_real)
| hb_map (&item_t::get_pair)
)
protected: protected:
unsigned int bucket_for (K key) const unsigned int bucket_for (K key) const