(datum, schema, **kwargs)
return isinstance(datum, bytes) and len(datum) == schema["size"]
Check that the data value is fixed width bytes,
    matching the schema['size'] exactly!

    Parameters
    ----------
    datum: Any
        Data being validated
    schema: dict
        Schema
    kwargs: Any
        Unused kwargs
Check that the data value is fixed width bytes,
    matching the schema['size'] exactly!
Check that the data value is fixed width bytes matching the schema [ size ] exactly!
def validate_fixed(datum, schema, **kwargs):
    """
    Check that the data value is fixed width bytes,
    matching the schema['size'] exactly!

    Parameters
    ----------
    datum: Any
        Data being validated
    schema: dict
        Schema
    kwargs: Any
        Unused kwargs
    """
    return isinstance(datum, bytes) and len(datum) == schema["size"]
def validate_fixed ( datum , schema , * * kwargs ) : return isinstance ( datum , bytes ) and len ( datum ) == schema [ "size" ]