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authorAria <me@aria.rip>2023-01-02 21:58:56 +0000
committerAria <me@aria.rip>2023-01-02 21:58:56 +0000
commit5eb58ad076f2cd435b11b140820da224b60b73d5 (patch)
tree2a67939595fbf993ff04f69b9cd3f0aa20827d96 /2021/day5/05a_grammar.rkt
initial commit
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diff --git a/2021/day5/05a_grammar.rkt b/2021/day5/05a_grammar.rkt
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+#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"