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== `sqlite/memory.hpp`
The memory header provides C++-y access to the memory facilities of sqlite.
[source,cpp,subs=+quotes]
----
// A tag to allow `operator new`
struct memory_tag {};
// new operators <1>
void *operator new ( std::size_t size, boost::sqlite::memory_tag) noexcept;
void *operator new[]( std::size_t size, boost::sqlite::memory_tag) noexcept;
void operator delete ( void* ptr, boost::sqlite::memory_tag) noexcept;
// A unique ptr that uses sqlite3_malloc / sqlite3_free
template<typename T>
using unique_ptr = std::unique_ptr<T, __implementation_detail__>;
template<typename T, typename ... Args>
unique_ptr<T> make_unique(Args && ... args);
// Get the size of the allocated memory.
template<typename T>
std::size_t msize(const unique_ptr<T> & ptr);
---
<1> `new (sqlite::memory_tag{}) T()` uses sqlite3_malloc
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