// External includes.
// Standard includes.
// Internal includes.
use super::Position;
/// Defines a type that has a [`Position`](struct.Position.html), but is not necessarily itself a `Position` (see [`IsPosition`](trait.IsPosition.html)).
pub trait HasPosition {
/// Returns a reference to the instance's `Position`.
fn position(&self) -> &Position;
/// Returns a mutable reference to the instance's `Position`.
fn position_mut(&mut self) -> &mut Position;
}