Struct ObjectStorage
Synopsis
#include <include/internal/benchmark/catch_constructor.hpp>
template <typename T, bool Destruct>
struct ObjectStorage
Description
No description yet.
Mentioned in
- Other / Release Notes / Fixes
Methods
| ObjectStorage overload | ||
| ~ObjectStorage | ||
| construct | Mentioned in
| |
| destruct | Mentioned in
|
Source
Lines 19-68 in include/internal/benchmark/catch_constructor.hpp.
template <typename T, bool Destruct>
struct ObjectStorage
{
using TStorage = typename std::aligned_storage<sizeof(T), std::alignment_of<T>::value>::type;
ObjectStorage() : data() {}
ObjectStorage(const ObjectStorage& other)
{
new(&data) T(other.stored_object());
}
ObjectStorage(ObjectStorage&& other)
{
new(&data) T(std::move(other.stored_object()));
}
~ObjectStorage() { destruct_on_exit<T>(); }
template <typename... Args>
void construct(Args&&... args)
{
new (&data) T(std::forward<Args>(args)...);
}
template <bool AllowManualDestruction = !Destruct>
typename std::enable_if<AllowManualDestruction>::type destruct()
{
stored_object().~T();
}
private:
// If this is a constructor benchmark, destruct the underlying object
template <typename U>
void destruct_on_exit(typename std::enable_if<Destruct, U>::type* = 0) { destruct<true>(); }
// Otherwise, don't
template <typename U>
void destruct_on_exit(typename std::enable_if<!Destruct, U>::type* = 0) { }
T& stored_object() {
return *static_cast<T*>(static_cast<void*>(&data));
}
T const& stored_object() const {
return *static_cast<T*>(static_cast<void*>(&data));
}
TStorage data;
};