Detail: IndexYear: Operator Unary¶

IndexYear.__abs__()¶

>>> ix = sf.IndexYear(('1517', '1520', '1518'))
>>> abs(ix)
UFuncTypeError(<ufunc 'absolute'>, (dtype('<M8[Y]'), dtype('<M8[Y]')))

IndexYear.__invert__()¶

>>> ix = sf.IndexYear(('1517', '1520', '1518'))
>>> ~ix
TypeError("ufunc 'invert' not supported for the input types, and the inputs could not be safely coerced to any supported types according to the casting rule ''safe''")

IndexYear.__neg__()¶

>>> ix = sf.IndexYear(('1517', '1520', '1518'))
>>> -ix
UFuncTypeError(<ufunc 'negative'>, (dtype('<M8[Y]'), dtype('<M8[Y]')))

IndexYear.__pos__()¶

>>> ix = sf.IndexYear(('1517', '1520', '1518'))
>>> +ix
['1517' '1520' '1518']