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Unordered: Set max_load_ to 0 when there are no buckets.

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[SVN r80559]
This commit is contained in:
Daniel James
2012-09-17 18:57:58 +00:00
parent 37d58e84e3
commit c2e7221bf9
2 changed files with 13 additions and 26 deletions
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22
include/boost/unordered/detail/unique.hpp
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@@ -466,14 +466,9 @@ namespace boost { namespace unordered { namespace detail {
{
node_constructor a(this->node_alloc());
// Special case for empty buckets so that we can use
// max_load_ (which isn't valid when buckets_ is null).
if (!this->buckets_) {
insert_range_empty(a, k, i, j);
if (++i == j) return;
}
insert_range_impl2(a, k, i, j);
do {
while(++i != j) {
// Note: can't use get_key as '*i' might not be value_type - it
// could be a pair with first_types as key_type without const or
// a different second_type.
@@ -483,18 +478,7 @@ namespace boost { namespace unordered { namespace detail {
// be less efficient if copying the full value_type is
// expensive.
insert_range_impl2(a, extractor::extract(*i), i, j);
} while(++i != j);
}
template <class InputIt>
void insert_range_empty(node_constructor& a, key_type const& k,
InputIt i, InputIt j)
{
std::size_t key_hash = this->hash(k);
a.construct_with_value2(*i);
this->reserve_for_insert(this->size_ +
boost::unordered::detail::insert_size(i, j));
this->add_node(a, key_hash);
}
}
template <class InputIt>