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[map] Allow geting non-const value pointer out with has()

This commit is contained in:
Behdad Esfahbod 2022-07-20 14:43:58 -06:00
parent 00cfc5c17d
commit 61c0438425
2 changed files with 6 additions and 1 deletions
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3
src/hb-map.hh
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@ -219,7 +219,8 @@ struct hb_hashmap_t
/* Has interface. */
typedef const V& value_t;
value_t operator [] (K k) const { return get (k); }
bool has (K key, const V **vp = nullptr) const
template <typename VV=V>
bool has (K key, VV **vp = nullptr) const
{
if (unlikely (!items))
return false;

4
src/test-map.cc
View File

@ -217,6 +217,10 @@ main (int argc, char **argv)
hb_hashmap_t<int, hb::unique_ptr<hb_hashmap_t<int, int>>> m;
m.get (0);
const hb::unique_ptr<hb_hashmap_t<int, int>> *v1;
m.has (0, &v1);
hb::unique_ptr<hb_hashmap_t<int, int>> *v2;
m.has (0, &v2);
}
return 0;