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Diffstat (limited to '2021/day4/parser.rkt')
| -rw-r--r-- | 2021/day4/parser.rkt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/2021/day4/parser.rkt b/2021/day4/parser.rkt new file mode 100644 index 0000000..449d886 --- /dev/null +++ b/2021/day4/parser.rkt @@ -0,0 +1,8 @@ +#lang brag +file: numbers "\n" "\n" boards +numbers: number ("," number)* +number: digit+ +digit: "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" +boards: board ("\n" board)* +board: row "\n" row "\n" row "\n" row "\n" row "\n" +row: " "+ number " "+ number " "+ number " "+ number " "+ number |