223     pub struct BitString {  struct
225         unused_bits: u8,
228         bit_length: usize,
231         inner: Vec<u8>,
234     impl BitString {  impl
311     impl<'a> DecodeValue<'a> for BitString {  implementation
320     impl EncodeValue for BitString {  implementation
331     impl FixedTag for BitString {  implementation
343     impl ValueOrd for BitString {  implementation
355     impl<'a> arbitrary::Arbitrary<'a> for BitString {  implementation
380     impl OwnedToRef for BitString {  implementation