Currently, we require T: NoCell for TryFromBytes for MaybeUninit<T> since TryFromBytes requires that it only be implemented for types which do not contain UnsafeCells. Once #890 lands, that requirement will no longer exist, and we can remove the T: NoCell requirement.
Currently, we require
T: NoCellforTryFromBytes for MaybeUninit<T>sinceTryFromBytesrequires that it only be implemented for types which do not containUnsafeCells. Once #890 lands, that requirement will no longer exist, and we can remove theT: NoCellrequirement.