BitStruct
BitStruct::CharField
BitStruct::ClosedClassError
BitStruct::Field
BitStruct::FieldNameError
BitStruct::FloatField
BitStruct::HexOctetField
BitStruct::NestedField
BitStruct::OctetField
BitStruct::PadField
BitStruct::SignedField
BitStruct::TextField
BitStruct::UnsignedField
BitStruct::Vector
BitStruct::VectorField
Fixnum