Module polars_core::utils[][src]

Re-exports

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

Structs

Arenaprivate

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>

Traits

Functions

This takes ownership of the DataFrame so that drop is called earlier.

Concat the DataFrames to a single DataFrame.

Given two datatypes, determine the supertype that both types can safely be cast to

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.

split_caprivate
split_dfprivate