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Add transparent try_emplace()

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This commit is contained in:
Christian Mazakas
2022-11-14 15:17:32 -08:00
parent ee1515189b
commit bf2b521789
2 changed files with 118 additions and 0 deletions
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23
include/boost/unordered/unordered_flat_map.hpp
View File

@ -337,6 +337,17 @@ namespace boost {
return table_.try_emplace(std::move(key), std::forward<Args>(args)...);
}
template <class K, class... Args>
BOOST_FORCEINLINE typename std::enable_if<
boost::unordered::detail::transparent_non_iterable<K,
unordered_flat_map>::value,
std::pair<iterator, bool> >::type
try_emplace(K&& key, Args&&... args)
{
return table_.try_emplace(
std::forward<K>(key), std::forward<Args>(args)...);
}
template <class... Args>
BOOST_FORCEINLINE iterator try_emplace(
const_iterator, key_type const& key, Args&&... args)
@ -352,6 +363,18 @@ namespace boost {
.first;
}
template <class K, class... Args>
BOOST_FORCEINLINE typename std::enable_if<
boost::unordered::detail::transparent_non_iterable<K,
unordered_flat_map>::value,
iterator>::type
try_emplace(const_iterator, K&& key, Args&&... args)
{
return table_
.try_emplace(std::forward<K>(key), std::forward<Args>(args)...)
.first;
}
BOOST_FORCEINLINE void erase(iterator pos) { table_.erase(pos); }
BOOST_FORCEINLINE void erase(const_iterator pos)
{

95
include/boost/unordered/unordered_map.hpp
View File

@ -486,6 +486,16 @@ namespace boost {
boost::move(k), boost::forward<Args>(args)...);
}
template <class Key, class... Args>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_map>::value,
std::pair<iterator, bool> >::type
try_emplace(Key&& k, Args&&... args)
{
return table_.try_emplace_unique(
boost::forward<Key>(k), boost::forward<Args>(args)...);
}
template <class... Args>
iterator try_emplace(
const_iterator hint, key_type const& k, BOOST_FWD_REF(Args)... args)
@ -502,6 +512,16 @@ namespace boost {
hint, boost::move(k), boost::forward<Args>(args)...);
}
template <class Key, class... Args>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_map>::value,
iterator>::type
try_emplace(const_iterator hint, Key&& k, Args&&... args)
{
return table_.try_emplace_hint_unique(
hint, boost::forward<Key>(k), boost::forward<Args>(args)...);
}
#else
// In order to make this a template, this handles both:
@ -582,6 +602,43 @@ namespace boost {
boost::forward<A1>(a1), boost::forward<A2>(a2)));
}
// try_emplace(Key&&, Args&&...)
template <typename Key, typename A0>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_map>::value,
std::pair<iterator, bool> >::type
try_emplace(BOOST_FWD_REF(Key) k, BOOST_FWD_REF(A0) a0)
{
return table_.try_emplace_unique(
boost::forward<Key>(k), boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0)));
}
template <typename Key, typename A0, typename A1>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_map>::value,
std::pair<iterator, bool> >::type
try_emplace(
BOOST_FWD_REF(Key) k, BOOST_FWD_REF(A0) a0, BOOST_FWD_REF(A1) a1)
{
return table_.try_emplace_unique(boost::forward<Key>(k),
boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0), boost::forward<A1>(a1)));
}
template <typename Key, typename A0, typename A1, typename A2>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_map>::value,
std::pair<iterator, bool> >::type
try_emplace(BOOST_FWD_REF(Key) k, BOOST_FWD_REF(A0) a0,
BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2)
{
return table_.try_emplace_unique(boost::forward<Key>(k),
boost::unordered::detail::create_emplace_args(boost::forward<A0>(a0),
boost::forward<A1>(a1), boost::forward<A2>(a2)));
}
// try_emplace(const_iterator hint, key const&, Args&&...)
template <typename A0>
@ -640,6 +697,44 @@ namespace boost {
boost::forward<A1>(a1), boost::forward<A2>(a2)));
}
// try_emplace(const_iterator hint, Key&&, Args&&...)
template <typename Key, typename A0>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_map>::value,
iterator>::type
try_emplace(
const_iterator hint, BOOST_FWD_REF(Key) k, BOOST_FWD_REF(A0) a0)
{
return table_.try_emplace_hint_unique(hint, boost::forward<Key>(k),
boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0)));
}
template <typename Key, typename A0, typename A1>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_map>::value,
iterator>::type
try_emplace(const_iterator hint, BOOST_FWD_REF(Key) k,
BOOST_FWD_REF(A0) a0, BOOST_FWD_REF(A1) a1)
{
return table_.try_emplace_hint_unique(hint, boost::forward<Key>(k),
boost::unordered::detail::create_emplace_args(
boost::forward<A0>(a0), boost::forward<A1>(a1)));
}
template <typename Key, typename A0, typename A1, typename A2>
typename boost::enable_if_c<
detail::transparent_non_iterable<Key, unordered_map>::value,
iterator>::type
try_emplace(const_iterator hint, BOOST_FWD_REF(Key) k,
BOOST_FWD_REF(A0) a0, BOOST_FWD_REF(A1) a1, BOOST_FWD_REF(A2) a2)
{
return table_.try_emplace_hint_unique(hint, boost::forward<Key>(k),
boost::unordered::detail::create_emplace_args(boost::forward<A0>(a0),
boost::forward<A1>(a1), boost::forward<A2>(a2)));
}
#define BOOST_UNORDERED_TRY_EMPLACE(z, n, _) \
\
template <BOOST_PP_ENUM_PARAMS_Z(z, n, typename A)> \