pub struct R(_);
Register CACHE_REQUEST reader
CACHE_REQUEST
Bit 0 - The bit is used to disable request recording which could cause performance issue
Reads raw bits from register.
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