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Pull some common code into a function.

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This commit is contained in:
Daniel James
2016-08-14 20:55:40 +01:00
parent 88612a8be4
commit 078c562b6c
1 changed files with 12 additions and 20 deletions
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32
include/boost/unordered/detail/unique.hpp
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@ -347,21 +347,21 @@ namespace boost { namespace unordered { namespace detail {
return iterator(n);
}
inline iterator resize_and_add_node(node_pointer n, std::size_t key_hash)
{
node_tmp b(n, this->node_alloc());
this->reserve_for_insert(this->size_ + 1);
return this->add_node(b, key_hash);
}
value_type& operator[](key_type const& k)
{
std::size_t key_hash = this->hash(k);
iterator pos = this->find_node(key_hash, k);
if (pos.node_) return *pos;
// Create the node before rehashing in case it throws an
// exception (need strong safety in such a case).
node_tmp b(
return *this->resize_and_add_node(
boost::unordered::detail::func::construct_pair(this->node_alloc(), k),
this->node_alloc());
this->reserve_for_insert(this->size_ + 1);
return *add_node(b, key_hash);
key_hash);
}
#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
@ -411,20 +411,12 @@ namespace boost { namespace unordered { namespace detail {
{
std::size_t key_hash = this->hash(k);
iterator pos = this->find_node(key_hash, k);
if (pos.node_) return emplace_return(pos, false);
// Create the node before rehashing in case it throws an
// exception (need strong safety in such a case).
node_tmp b(
pos = this->resize_and_add_node(
boost::unordered::detail::func::construct_value_generic(
this->node_alloc(), BOOST_UNORDERED_EMPLACE_FORWARD),
this->node_alloc());
// reserve has basic exception safety if the hash function
// throws, strong otherwise.
this->reserve_for_insert(this->size_ + 1);
return emplace_return(this->add_node(b, key_hash), true);
key_hash);
return emplace_return(pos, true);
}
template <BOOST_UNORDERED_EMPLACE_TEMPLATE>