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use crate::chunked_array::upstream_traits::PolarsAsRef;
use crate::prelude::*;
use crate::utils::{CustomIterTools, FromTrustedLenIterator, NoNull};
use arrow::buffer::Buffer;
use std::borrow::Borrow;
impl<T> FromTrustedLenIterator<Option<T::Native>> for ChunkedArray<T>
where
T: PolarsPrimitiveType,
{
fn from_iter_trusted_length<I: IntoIterator<Item = Option<T::Native>>>(iter: I) -> Self {
let iter = iter.into_iter();
let arr = unsafe {
PrimitiveArray::from_trusted_len_iter_unchecked(iter).to(T::get_dtype().to_arrow())
};
ChunkedArray::new_from_chunks("", vec![Arc::new(arr)])
}
}
impl<T> FromTrustedLenIterator<T::Native> for NoNull<ChunkedArray<T>>
where
T: PolarsPrimitiveType,
{
fn from_iter_trusted_length<I: IntoIterator<Item = T::Native>>(iter: I) -> Self {
let iter = iter.into_iter();
let values = unsafe { Buffer::from_trusted_len_iter_unchecked(iter) };
let arr = PrimitiveArray::from_data(T::get_dtype().to_arrow(), values, None);
NoNull::new(ChunkedArray::new_from_chunks("", vec![Arc::new(arr)]))
}
}
impl<Ptr> FromTrustedLenIterator<Ptr> for ListChunked
where
Ptr: Borrow<Series>,
{
fn from_iter_trusted_length<I: IntoIterator<Item = Ptr>>(iter: I) -> Self {
let iter = iter.into_iter();
iter.collect()
}
}
impl<Ptr> FromTrustedLenIterator<Option<Ptr>> for ListChunked
where
Ptr: Borrow<Series>,
{
fn from_iter_trusted_length<I: IntoIterator<Item = Option<Ptr>>>(iter: I) -> Self {
let iter = iter.into_iter();
iter.collect()
}
}
impl FromTrustedLenIterator<Option<bool>> for ChunkedArray<BooleanType> {
fn from_iter_trusted_length<I: IntoIterator<Item = Option<bool>>>(iter: I) -> Self
where
I::IntoIter: TrustedLen,
{
let iter = iter.into_iter();
let arr: BooleanArray = iter.collect_trusted();
Self::new_from_chunks("", vec![Arc::new(arr)])
}
}
impl FromTrustedLenIterator<bool> for BooleanChunked {
fn from_iter_trusted_length<I: IntoIterator<Item = bool>>(iter: I) -> Self
where
I::IntoIter: TrustedLen,
{
let iter = iter.into_iter();
let arr: BooleanArray = iter.collect_trusted();
Self::new_from_chunks("", vec![Arc::new(arr)])
}
}
impl FromTrustedLenIterator<bool> for NoNull<BooleanChunked> {
fn from_iter_trusted_length<I: IntoIterator<Item = bool>>(iter: I) -> Self {
let iter = iter.into_iter();
iter.collect()
}
}
impl<Ptr> FromTrustedLenIterator<Ptr> for Utf8Chunked
where
Ptr: PolarsAsRef<str>,
{
fn from_iter_trusted_length<I: IntoIterator<Item = Ptr>>(iter: I) -> Self {
let iter = iter.into_iter();
iter.collect()
}
}
impl<Ptr> FromTrustedLenIterator<Option<Ptr>> for Utf8Chunked
where
Ptr: AsRef<str>,
{
fn from_iter_trusted_length<I: IntoIterator<Item = Option<Ptr>>>(iter: I) -> Self {
let iter = iter.into_iter();
iter.collect()
}
}
#[cfg(feature = "object")]
impl<T: PolarsObject> FromTrustedLenIterator<Option<T>> for ObjectChunked<T> {
fn from_iter_trusted_length<I: IntoIterator<Item = Option<T>>>(iter: I) -> Self {
let iter = iter.into_iter();
iter.collect()
}
}