Trait polars::prelude::ListFromIter

source · 
pub trait ListFromIter {
    // Provided methods
    unsafe fn from_iter_primitive_trusted_len<T, P, I>(
        iter: I,
        data_type: ArrowDataType
    ) -> ListArray<i64>
       where T: NativeType,
             P: IntoIterator<Item = Option<T>>,
             I: IntoIterator<Item = Option<P>> { ... }
    unsafe fn from_iter_bool_trusted_len<I, P>(iter: I) -> ListArray<i64>
       where I: IntoIterator<Item = Option<P>>,
             P: IntoIterator<Item = Option<bool>> { ... }
    unsafe fn from_iter_binview_trusted_len<I, P, Ref, T>(
        iter: I,
        n_elements: usize
    ) -> ListArray<i64>
       where T: ViewType + ?Sized,
             I: IntoIterator<Item = Option<P>>,
             P: IntoIterator<Item = Option<Ref>>,
             Ref: AsRef<T> { ... }
    unsafe fn from_iter_utf8_trusted_len<I, P, Ref>(
        iter: I,
        n_elements: usize
    ) -> ListArray<i64>
       where I: IntoIterator<Item = Option<P>>,
             P: IntoIterator<Item = Option<Ref>>,
             Ref: AsRef<str> { ... }
    unsafe fn from_iter_binary_trusted_len<I, P, Ref>(
        iter: I,
        n_elements: usize
    ) -> ListArray<i64>
       where I: IntoIterator<Item = Option<P>>,
             P: IntoIterator<Item = Option<Ref>>,
             Ref: AsRef<[u8]> { ... }
}

Provided Methods§

source

unsafe fn from_iter_primitive_trusted_len<T, P, I>( iter: I, data_type: ArrowDataType ) -> ListArray<i64>
where T: NativeType, P: IntoIterator<Item = Option<T>>, I: IntoIterator<Item = Option<P>>,

Create a list-array from an iterator. Used in group_by agg-list

§Safety

Will produce incorrect arrays if size hint is incorrect.

source

unsafe fn from_iter_bool_trusted_len<I, P>(iter: I) -> ListArray<i64>
where I: IntoIterator<Item = Option<P>>, P: IntoIterator<Item = Option<bool>>,

Create a list-array from an iterator. Used in group_by agg-list

§Safety

Will produce incorrect arrays if size hint is incorrect.

source

unsafe fn from_iter_binview_trusted_len<I, P, Ref, T>( iter: I, n_elements: usize ) -> ListArray<i64>
where T: ViewType + ?Sized, I: IntoIterator<Item = Option<P>>, P: IntoIterator<Item = Option<Ref>>, Ref: AsRef<T>,

§Safety

Will produce incorrect arrays if size hint is incorrect.

source

unsafe fn from_iter_utf8_trusted_len<I, P, Ref>( iter: I, n_elements: usize ) -> ListArray<i64>
where I: IntoIterator<Item = Option<P>>, P: IntoIterator<Item = Option<Ref>>, Ref: AsRef<str>,

Create a list-array from an iterator. Used in group_by agg-list

§Safety

Will produce incorrect arrays if size hint is incorrect.

source

unsafe fn from_iter_binary_trusted_len<I, P, Ref>( iter: I, n_elements: usize ) -> ListArray<i64>
where I: IntoIterator<Item = Option<P>>, P: IntoIterator<Item = Option<Ref>>, Ref: AsRef<[u8]>,

Create a list-array from an iterator. Used in group_by agg-list

§Safety

Will produce incorrect arrays if size hint is incorrect.

Object Safety§

This trait is not object safe.

Implementors§