def __init__(self, field_names):
self._field_names = tuple(field_names)<EOL>self._value_checks = []<EOL>self._header_checks = []<EOL>self._record_length_checks = []<EOL>self._value_predicates = []<EOL>self._record_checks = []<EOL>self._record_predicates = []<EOL>self._unique_checks = []<EOL>self._skips = []<EOL>
Instantiate a `CSVValidator`, supplying expected `field_names` as a
sequence of strings.