usestd::pin::Pin;/**
# Safety
This function is unsafe. You must guarantee that you will never move the data out of the
mutable reference you receive when you call this function, so that the invariants on the Pin type can be upheld.
*/pubunsafefnself_mut_from_pinbox<T>(p:&mutPin<Box<T>>)->&mut T{
p.as_mut().get_unchecked_mut()}pubfnself_from_pinbox<T>(p:&Pin<Box<T>>)->&T{
p.as_ref().get_ref()}