Struct polars_core::chunked_array::object::builder::ObjectChunkedBuilder

pub struct ObjectChunkedBuilder<T> { /* fields omitted */ }

This is supported on crate feature object only.

Implementations

impl<T> ObjectChunkedBuilder<T> where
    T: PolarsObject, 

pub fn new(name: &str, capacity: usize) -> Self

pub fn append_value(&mut self, v: T)

Appends a value of type T into the builder

pub fn append_null(&mut self)

Appends a null slot into the builder

pub fn append_value_from_any(&mut self, v: &dyn Any) -> Result<()>

pub fn append_option(&mut self, opt: Option<T>)

pub fn finish(self) -> ObjectChunked<T>

Trait Implementations

impl<T> Default for ObjectChunkedBuilder<T> where
    T: PolarsObject, 

fn default() -> Self

Returns the “default value” for a type.