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Empty class elision, and priority_queue unit tests

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Randolph Voorhies
2013-06-14 18:05:08 -07:00
parent 2ba3fe9165
commit 4aecb595d5
6 changed files with 96 additions and 21 deletions
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22
binary_archive/queue.hpp
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@@ -37,6 +37,21 @@ namespace cereal
return H::get( priority_queue );
}
//! Allows access to the protected comparator in priority queue
template <class T, class C, class Comp>
Comp const & comparator( std::priority_queue<T, C, Comp> const & priority_queue )
{
struct H : public std::priority_queue<T, C, Comp>
{
static Comp const & get( std::priority_queue<T, C, Comp> const & pq )
{
return pq.*(&H::comp);
}
};
return H::get( priority_queue );
}
}
//! Saving for std::queue to binary
@@ -59,6 +74,7 @@ namespace cereal
template <class T, class C, class Comp>
void save( BinaryOutputArchive & ar, std::priority_queue<T, C, Comp> const & priority_queue )
{
ar & queue_detail::comparator( priority_queue );
ar & queue_detail::container( priority_queue );
}
@@ -66,9 +82,13 @@ namespace cereal
template <class T, class C, class Comp>
void load( BinaryInputArchive & ar, std::priority_queue<T, C, Comp> & priority_queue )
{
Comp comparator;
ar & comparator;
C container;
ar & container;
priority_queue = std::priority_queue<T, C, Comp>( container.begin(), container.end() );
priority_queue = std::priority_queue<T, C, Comp>( comparator, std::move( container ) );
}
} // namespace cereal