Studying how git recovers history.
Sometimes they don't stick.
<pshpackN.h> and <poppack.h> instead of just issuing the pragma directly?
Because the pragma may not work everywhere.
Deferring the definition until the class is complete.
Describing when a condition is tested.
CONTINUE_IF_FAILED equivalent of RETURN_IF_FAILED?
Be careful how you write it, or better: Don't write it at all.
If you have already infiltrated the process, then you can disable things from the inside.
shared_ptr
Understanding what you asked the compiler to do, and why it couldn't comply.
Look closely at what the error message is complaining about.
It depends on how long you plan on waiting.