You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
14 lines
435 B
14 lines
435 B
4 years ago
|
class function_ref
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
template<typename CallableT>
|
||
|
|
function_ref(CallableT &&t) noexcept
|
||
|
|
: m_Ptr((void *)std::addressof(t))
|
||
|
|
, m_ErasedFn([](void *ptr, Args... args) -> ReturnValue
|
||
|
|
{
|
||
|
|
// Type erasure lambda: cast ptr back to original type and dispatch the call
|
||
|
|
return (*reinterpret_cast<std::add_pointer_t<CallableT>>(ptr))(std::forward<Args>(args)...);
|
||
|
|
})
|
||
|
|
{}
|
||
|
|
};
|