xubaiw / csv

CSV for Lean 4.

CSV

Parse and write CSV string, based on the grammer of RFC 4180.

import CSV

#eval CSV.parse "a,\"b\nc\"\r\n1,2"
-- Except.ok #[#["a", "b\nc"], #["1", "2"]]

#eval CSV.compress #[#["a\r\n", "b,", "c"], #["1", "2", "3"]]
-- "\"a\x0d\n\",\"b,\",c\x0d\n1,2,3"

Todo

• Customizable separators and other configs
• Typed reader
• Read by row