Pkg/polars.chunked_array.builders/ListChunkedBuilder

ListChunkedBuilder

struct ListChunkedBuilder

Static Methods

new

pub fn new(dtype: DataType, name: string = "", value_capacity: int = 0, list_capacity: int = 0): ListChunkedBuilder

Creates a new list builder.

Creates a new list builder.

Methods

append

pub fn append(self, column: Column) throws PolarsError

append_null

pub fn append_null(self) throws PolarsError

finish

pub fn finish(self): Column