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Diffstat (limited to '2021/day5/05a_grammar.rkt')
| -rw-r--r-- | 2021/day5/05a_grammar.rkt | 6 |
1 files changed, 6 insertions, 0 deletions
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" |