From 357b81151893269b9df75fbc907e7a1b8506cec9 Mon Sep 17 00:00:00 2001
From: Eryn Wells <eryn@erynwells.me>
Date: Tue, 30 Jan 2024 08:35:02 -0800
Subject: [PATCH] [position] Add a fen! macro

---
 position/src/fen.rs | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/position/src/fen.rs b/position/src/fen.rs
index fd7b530..d6c3568 100644
--- a/position/src/fen.rs
+++ b/position/src/fen.rs
@@ -4,6 +4,12 @@ use crate::{r#move::Castle, Position, PositionBuilder};
 use chessfriend_core::{piece, Color, File, Piece, PlacedPiece, Rank, Square};
 use std::fmt::Write;
 
+macro_rules! fen {
+    ($fen_string:literal) => {
+        Position::from_fen_str($fen_string)
+    };
+}
+
 #[derive(Clone, Copy, Debug, Eq, PartialEq)]
 pub enum ToFenError {
     FmtError(std::fmt::Error),
@@ -270,11 +276,8 @@ mod tests {
 
     #[test]
     fn from_starting_fen() {
-        let pos =
-            Position::from_fen_str("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1")
-                .unwrap();
+        let pos = fen!("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1").unwrap();
         let expected = Position::starting();
-
         assert_eq!(pos, expected, "{pos:#?}\n{expected:#?}");
     }
 }