109 #define avro_datum_to_string(datum_)    (container_of(datum_, struct avro_string_datum_t, obj))  argument
110 #define avro_datum_to_bytes(datum_)     (container_of(datum_, struct avro_bytes_datum_t, obj))  argument
111 #define avro_datum_to_int32(datum_)     (container_of(datum_, struct avro_int32_datum_t, obj))  argument
112 #define avro_datum_to_int64(datum_)     (container_of(datum_, struct avro_int64_datum_t, obj))  argument
113 #define avro_datum_to_float(datum_)     (container_of(datum_, struct avro_float_datum_t, obj))  argument
114 #define avro_datum_to_double(datum_)    (container_of(datum_, struct avro_double_datum_t, obj))  argument
115 #define avro_datum_to_boolean(datum_)   (container_of(datum_, struct avro_boolean_datum_t, obj))  argument
116 #define avro_datum_to_fixed(datum_)     (container_of(datum_, struct avro_fixed_datum_t, obj))  argument
117 #define avro_datum_to_map(datum_)       (container_of(datum_, struct avro_map_datum_t, obj))  argument
118 #define avro_datum_to_record(datum_)    (container_of(datum_, struct avro_record_datum_t, obj))  argument
119 #define avro_datum_to_enum(datum_)      (container_of(datum_, struct avro_enum_datum_t, obj))  argument
120 #define avro_datum_to_array(datum_)     (container_of(datum_, struct avro_array_datum_t, obj))  argument
121 #define avro_datum_to_union(datum_)	(container_of(datum_, struct avro_union_datum_t, obj))  argument