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[map] Write get() in terms of has()

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This commit is contained in:
Behdad Esfahbod 2023-05-09 20:24:12 -06:00
parent f37941bb52
commit 498197671a
1 changed files with 9 additions and 6 deletions
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15
src/hb-map.hh
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@ -237,13 +237,11 @@ struct hb_hashmap_t
const V& get_with_hash (const K &key, uint32_t hash) const
{
if (unlikely (!items)) return item_t::default_value ();
auto &item = item_for_hash (key, hash);
return item.is_real () && item == key ? item.value : item_t::default_value ();
const V* v;
return has_with_hash (key, hash, &v) ? *v : item_t::default_value ();
}
const V& get (const K &key) const
{
if (unlikely (!items)) return item_t::default_value ();
return get_with_hash (key, hb_hash (key));
}
@ -252,11 +250,16 @@ struct hb_hashmap_t
/* Has interface. */
const V& operator [] (K k) const { return get (k); }
template <typename VV=V>
bool has (K key, VV **vp = nullptr) const
bool has (const K &key, VV **vp = nullptr) const
{
return has_with_hash (key, hb_hash (key), vp);
}
template <typename VV=V>
bool has_with_hash (const K &key, uint32_t hash, VV **vp = nullptr) const
{
if (unlikely (!items))
return false;
auto &item = item_for_hash (key, hb_hash (key));
auto &item = item_for_hash (key, hash);
if (item.is_real () && item == key)
{
if (vp) *vp = std::addressof (item.value);