Struct polars_core::prelude::list::AnonymousBuilder

pub struct AnonymousBuilder<'a> { /* private fields */ }

Implementations

impl<'a> AnonymousBuilder<'a>

pub fn new(size: usize) -> AnonymousBuilder<'a>

pub fn is_empty(&self) -> bool

pub fn offsets(&self) -> &[i64]

pub fn take_offsets(self) -> Offsets<i64>

pub fn push(&mut self, arr: &'a (dyn Array + 'static))

pub fn push_multiple(&mut self, arrs: &'a [Box<dyn Array>])

pub fn push_null(&mut self)

pub fn push_opt(&mut self, arr: Option<&'a (dyn Array + 'static)>)

pub fn push_empty(&mut self)

pub fn finish( self, inner_dtype: Option<&ArrowDataType> ) -> Result<ListArray<i64>, PolarsError>