NullType class final
The Polars Null type, whose values are all null.
- Inheritance
-
- Object
- DType
- NullType
Constructors
- NullType()
-
Creates the null type descriptor.
const
Properties
- capabilities → DTypeCapabilities
-
The operations that this binding supports for this type.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- kind → String
-
The protocol name of this type, such as
int64orlist.no setteroverride - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toJson(
) → Map< String, Object?> -
Encodes this descriptor in the native protocol JSON form.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited