R operator()(Arg... arg)
{
// call only if tracked object is alive
if (!m_tracked.expired())
return m_wrapped(std::move(arg)...);
return R();
}
R operator()()
{
// call only if tracked object is alive
if (!m_tracked.expired())
{
return m_wrapped();
}
// throw exception, will be caught, then ignored
ASYNCHRONOUS_THROW(boost::asynchronous::task_aborted_exception());
}
void operator()()
{
// call only if tracked object is alive
if (!m_tracked.expired())
m_wrapped();
}
inline result_type operator()(ArgsT... args) const
{
return m_wrapped(args...);
}
