polars::prelude::arity

Function try_binary_elementwise

Source 
pub fn try_binary_elementwise<T, U, V, F, K, E>(
    lhs: &ChunkedArray<T>,
    rhs: &ChunkedArray<U>,
    op: F,
) -> Result<ChunkedArray<V>, E>
where
    T: PolarsDataType,
    U: PolarsDataType,
    V: PolarsDataType,
    F: for<'a> FnMut(Option<<T as PolarsDataType>::Physical<'a>>, Option<<U as PolarsDataType>::Physical<'a>>) -> Result<Option<K>, E>,
    <V as PolarsDataType>::Array: ArrayFromIter<Option<K>>,