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Implement unordered_set::contains()

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Christian Mazakas
2022-01-12 15:47:34 -08:00
parent a87277c6e8
commit f5d470c531
1 changed files with 17 additions and 0 deletions
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17
include/boost/unordered/unordered_set.hpp
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@ -507,6 +507,23 @@ namespace boost {
const_iterator find(CompatibleKey const&, CompatibleHash const&, const_iterator find(CompatibleKey const&, CompatibleHash const&,
CompatiblePredicate const&) const; CompatiblePredicate const&) const;
bool contains(key_type const& k) const
{
return table_.find_node_impl(
table::policy::apply_hash(this->hash_function(), k), k,
this->key_eq());
}
template <class Key>
typename boost::enable_if_c<detail::are_transparent<Key, H, P>::value,
bool>::type
contains(const Key& k) const
{
return table_.find_node_impl(
table::policy::apply_hash(this->hash_function(), k), k,
this->key_eq());
}
size_type count(const key_type&) const; size_type count(const key_type&) const;
template <class Key> template <class Key>