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use std::error::Error;
#[derive(Debug, Eq, PartialEq)]
pub struct Position {
pub x: u8,
pub y: u8,
}
impl Position {
#[inline]
pub(crate) fn from(string: String) -> Result<Position, &'static dyn Error> {
let xy: Vec<&str> = string.split(',').collect();
let x = xy[0].parse().expect("Bad x coordinate supplied for Position");
if xy.len() < 2 {
panic!("Bad position : {}", string);
}
let y = xy[1].parse().expect("Bad y coordinate supplied for Position");
Ok(Position { x, y })
}
}
impl ToString for Position {
#[inline]
fn to_string(&self) -> String {
format!("{},{}", self.x, self.y)
}
}
#[cfg(test)]
mod test {
use crate::position::Position;
#[test]
fn test_position_from_string() {
assert_eq!(
Position::from("4,12".to_string()).unwrap(),
Position { x: 4, y: 12 }
);
}
#[test]
fn test_position_to_string() {
assert_eq!(Position { x: 4, y: 12 }.to_string(), "4,12".to_string())
}
}