dungon: use EnumIter from strum to add values methods to enums

1 files changed, 10 insertions, 1 deletions

diff --git a/dungeon/src/pos.rs b/dungeon/src/pos.rs
index dc1bd2d..27d9b8f 100644
--- a/dungeon/src/pos.rs
+++ b/dungeon/src/pos.rs
@@ -2,6 +2,9 @@
 //! entity or objects position and facing direction inside the
 //! dungeon grid.
 
+use strum::IntoEnumIterator;
+use strum_macros::EnumIter;
+
 use std::ops::{AddAssign, SubAssign};
 
 use crate::{MAP_SIZE_USIZE, map::MAP_SIZE};
@@ -29,13 +32,19 @@ macro_rules! const_pos {
 /// or any position object is facing inside the dungeon map.
 /// Since the dungeon lives on a grid, there are only four
 /// possible directions.
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, EnumIter)]
 pub enum Direction {
 	North,
 	South,
 	East,
 	West,
 }
+impl Direction {
+	/// Returns an iterator over all possible directions
+	pub fn values() -> impl Iterator<Item = Self> {
+		Self::iter()
+	}
+}
 
 /// The `Pos` type represents a 2D position inside the dungeon grid.
 ///