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Make a single if_contains function to simplify the interface

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Brian McKinnon
2020-05-03 10:32:36 -05:00
parent fa7a5cc444
commit a1349d2b65
3 changed files with 3 additions and 22 deletions
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parallel_hashmap/phmap.h
Vendored
+2 -14
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@@ -3393,23 +3393,11 @@ public:
return Policy::value(&*it);
}
template <class K = key_type, class V = mapped_type>
typename std::enable_if<std::is_assignable<mapped_type&, V>::value
, bool>::type if_contains(const key_arg<K>& key, V& v) const {
typename Lockable::SharedLock m;
auto it = const_cast<parallel_hash_map *>(this)->find(key, this->hash(key), m);
if (it == this->end())
return false;
v = Policy::value(&*it);
return true;
}
template <class K = key_type, class F>
typename std::enable_if<!std::is_assignable<mapped_type&, F>::value
bool if_contains(const key_arg<K>& key, F&& f) const {
#if __cplusplus >= 201703L
&& std::is_invocable<F, mapped_type&>::value
static_assert(std::is_invocable<F, mapped_type&>::value);
#endif
, bool>::type if_contains(const key_arg<K>& key, F&& f) const {
typename Lockable::SharedLock m;
auto it = const_cast<parallel_hash_map*>(this)->find(key, this->hash(key), m);
if (it == this->end())