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Unordered: Better swap assertion.

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[SVN r80224]
This commit is contained in:
Daniel James
2012-08-25 21:54:18 +00:00
parent 8f86c2464e
commit f8968ab022
1 changed files with 5 additions and 0 deletions
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5
include/boost/unordered/detail/table.hpp
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@@ -310,6 +310,11 @@ namespace boost { namespace unordered { namespace detail {
template <typename Propagate> template <typename Propagate>
void swap(table& x, Propagate p) void swap(table& x, Propagate p)
{ {
// According to 23.2.1.8, if propagate_on_container_swap is
// false the behaviour is undefined unless the allocators
// are equal.
BOOST_ASSERT(p.value || this->node_alloc() == x.node_alloc());
boost::unordered::detail::set_hash_functions<hasher, key_equal> boost::unordered::detail::set_hash_functions<hasher, key_equal>
op1(*this, x); op1(*this, x);
boost::unordered::detail::set_hash_functions<hasher, key_equal> boost::unordered::detail::set_hash_functions<hasher, key_equal>