41 lines
868 B
Rust
41 lines
868 B
Rust
use std::error::Error;
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#[derive(Debug, Eq, PartialEq)]
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pub struct Position {
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pub x: u8,
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pub y: u8,
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}
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impl Position {
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pub(crate) fn from(string: String) -> Result<Position, &'static dyn Error> {
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// e.g. "2,5"
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let xy: Vec<&str> = string.split(',').collect();
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let x = xy[0].parse().unwrap();
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if xy.len() < 2 {
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panic!("Bad position : {}", string);
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}
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let y = xy[1].parse().unwrap();
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Ok(Position { x, y })
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}
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}
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impl ToString for Position {
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#[inline]
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fn to_string(&self) -> String {
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format!("{},{}", self.x, self.y)
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}
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}
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#[test]
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fn test_position_from_string() {
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assert_eq!(Position::from("4,12".to_string()).unwrap(), Position { x: 4, y: 12 });
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}
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#[test]
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fn test_position_to_string() {
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assert_eq!(Position { x: 4, y: 12 }.to_string(), "4,12".to_string())
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}
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