Module polars_core::utils

Re-exports

pub use arrow;
pub use chrono;
pub use num_cpus;
pub use rayon;

Structs

Arena
DynamicZip	An iterator that iterates an unknown at compile time number of iterators simultaneously.
NoNull	Just a wrapper structure. Useful for certain impl specializations This is for instance use to implement impl<T> FromIterator<T::Native> for NoNull<ChunkedArray<T>> as Option<T::Native> was already implemented: impl<T> FromIterator<Option<T::Native>> for ChunkedArray<T>
Node
TrustMyLength
Wrap

Traits

CustomIterTools
IntoDynamicZip	A trait to convert a value to a DynamicZip.
IntoVec

Functions

accumulate_dataframes_horizontal
accumulate_dataframes_vertical
get_iter_capacity
get_supertype	Given two datatypes, determine the supertype that both types can safely be cast to
malloc_trim⚠
parallel_op_series	Simple wrapper to parallelize functions that can be divided over threads aggregated and finally aggregated in the main thread. This can be done for sum, min, max, etc.
slice_offsets
split_ca
split_df
split_series