pub struct NoDrop<T>(_);
A type holding T that will not call its destructor on drop
Create a new NoDrop.
Extract the inner value.
Once extracted, the value can of course drop again.
TypeId
self
Returns the argument unchanged.
Calls U::from(self).
U::from(self)
That is, this conversion is whatever the implementation of From<T> for U chooses to do.
From<T> for U