pub trait TableGet {
type RowLeftRef: AsRef<str>;
type RowRightRef: AsRef<str>;
// Required methods
fn get_header(&self) -> Option<&str>;
fn get_column_left(&self) -> &str;
fn get_column_right(&self) -> &str;
fn get_rows(&self) -> &Vec<(Self::RowLeftRef, f64)>;
fn get_width(&self) -> usize;
fn get_left_offset(&self) -> usize;
}