OpenPGP defines two packet formats: the old and the new format. They both include the packet's so-called tag.
See Section 4.2 of RFC 4880 for more details.
RFC4880 Packet tag
impl RefUnwindSafe for CTBCommon
impl UnwindSafe for CTBCommon
type Owned = T
The resulting type after obtaining ownership.
fn clone_into(&self, target: &mut T)[src]
type Error = Infallible
The type returned in the event of a conversion error.