From 5eb58ad076f2cd435b11b140820da224b60b73d5 Mon Sep 17 00:00:00 2001
From: Aria <me@aria.rip>
Date: Mon, 2 Jan 2023 21:58:56 +0000
Subject: initial commit

---
 2021/day5/05a_grammar.rkt | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 2021/day5/05a_grammar.rkt

(limited to '2021/day5/05a_grammar.rkt')

diff --git a/2021/day5/05a_grammar.rkt b/2021/day5/05a_grammar.rkt
new file mode 100644
index 0000000..cc78e6a
--- /dev/null
+++ b/2021/day5/05a_grammar.rkt
@@ -0,0 +1,6 @@
+#lang brag
+vents: (line "\n")* ["\n"]
+line: coord " " "-" ">" " " coord
+coord: number "," number
+number: digit*
+digit: "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"
-- 
cgit v1.2.3