pub trait RollingSeries: SeriesSealed {
// Provided method
fn rolling_skew(
&self,
window_size: usize,
bias: bool,
) -> Result<Series, PolarsError> { ... }
}
pub trait RollingSeries: SeriesSealed {
// Provided method
fn rolling_skew(
&self,
window_size: usize,
bias: bool,
) -> Result<Series, PolarsError> { ... }
}