polars.Array

class polars.Array(*args: Any, **kwargs: Any)

Fixed length list type.

__init__(

*args: Any,

inner: PolarsDataType | PythonDataType | None = None,

width: int | None = None,

)

Fixed length list type.

Parameters:

width

The length of the arrays.

inner

The DataType of the values within each array.

Examples

>>> s = pl.Series(
...     "a", [[1, 2], [4, 3]], dtype=pl.Array(inner=pl.Int64, width=2)
... )
>>> s
shape: (2,)
Series: 'a' [array[i64, 2]]
[
        [1, 2]
        [4, 3]
]

Methods

__init__(*args[, inner, width])	Fixed length list type.
base_type()	Return this DataType's fundamental/root type class.
is_(other)	Check if this DataType is the same as another DataType.
is_float()	Check whether the data type is a temporal type.
is_integer()	Check whether the data type is an integer type.
is_not(other)	Check if this DataType is NOT the same as another DataType.
is_numeric()	Check whether the data type is a numeric type.
is_signed_integer()	Check whether the data type is a signed integer type.
is_temporal()	Check whether the data type is a temporal type.
is_unsigned_integer()	Check whether the data type is an unsigned integer type.

Attributes

inner
is_nested
width