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Update code to be valid when the internal buckets_ data member is moved-from

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Christian Mazakas
2022-08-16 14:34:58 -07:00
parent 7b41f4783f
commit f9eae4153f
4 changed files with 58 additions and 25 deletions
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8
include/boost/unordered/unordered_map.hpp
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@@ -2069,6 +2069,10 @@ namespace boost {
template <class K, class T, class H, class P, class A>
float unordered_map<K, T, H, P, A>::load_factor() const BOOST_NOEXCEPT
{
if (table_.size_ == 0) {
return 0.0f;
}
BOOST_ASSERT(table_.bucket_count() != 0);
return static_cast<float>(table_.size_) /
static_cast<float>(table_.bucket_count());
@@ -2506,6 +2510,10 @@ namespace boost {
template <class K, class T, class H, class P, class A>
float unordered_multimap<K, T, H, P, A>::load_factor() const BOOST_NOEXCEPT
{
if (table_.size_ == 0) {
return 0.0f;
}
BOOST_ASSERT(table_.bucket_count() != 0);
return static_cast<float>(table_.size_) /
static_cast<float>(table_.bucket_count());