pub trait DistanceInterpolator {
// Required methods
fn dist(&self) -> i64;
fn inc_x(&mut self, dy: i64);
fn inc_y(&mut self, dx: i64);
fn dec_x(&mut self, dy: i64);
fn dec_y(&mut self, dx: i64);
}pub trait DistanceInterpolator {
// Required methods
fn dist(&self) -> i64;
fn inc_x(&mut self, dy: i64);
fn inc_y(&mut self, dx: i64);
fn dec_x(&mut self, dy: i64);
fn dec_y(&mut self, dx: i64);
}