pub trait IterFromColumn<'a> {
// Required method
fn create_iter(
dataframe: &'a DataFrame,
column_name: &'a str,
) -> PolarsResult<Box<dyn Iterator<Item = PolarsResult<Self>> + 'a>>
where Self: Sized;
}pub trait IterFromColumn<'a> {
// Required method
fn create_iter(
dataframe: &'a DataFrame,
column_name: &'a str,
) -> PolarsResult<Box<dyn Iterator<Item = PolarsResult<Self>> + 'a>>
where Self: Sized;
}