Attribute Macros
- Defines a bitenum:
#[bitenum(<base-data-type>, exhaustive: true)]
is a data type like u2
(arbitrary_int::u2
) oru8
which is used the actually store the value of the bitfield.exhaustive
specifies whether the bitenum includes all possible value of the given base data type (for example, a bitenum over u2 with 4 values is exhaustive) - Defines a bitfield: #[bitfield(
, default: 0)] is a data type like u32 which is used to represent all the bits of the bitfield. default is an optional default when the bitfield is created