tysv

gleam add tysv

import gleam/float
import gleam/int
import tysv

pub fn main() -> Nil {
  // Standard CSV
  let data =
    "Vanilla, 23, 0.5
    Strawberry, 24, 0.75
    Mango, 34, 1.75"

  let assert Ok([
    #("Vanilla", 23, 0.5),
    #("Strawberry", 24, 0.75),
    #("Mango", 34, 1.75),
  ]) =
    tysv.row({
      use flavor <- tysv.parsed
      use price <- tysv.parsed
      use kg <- tysv.parsed
      #(flavor, price, kg)
    })
    |> tysv.col(Ok)
    |> tysv.col(int.parse)
    |> tysv.col(float.parse)
    |> tysv.build(data)

  // Modified CSV with ';' as column separator and '|' as row separator
  let data = "Vanilla; 23; 0.5 | Mango; 34; 1.75"

  let assert Ok([#("Vanilla", 23, 0.5), #("Mango", 34, 1.75)]) =
    tysv.init({
      use flavor <- tysv.parsed
      use price <- tysv.parsed
      use kg <- tysv.parsed
      #(flavor, price, kg)
    })
    // Column separator only works when set before any `col` function
    |> tysv.col_sep(";")
    |> tysv.row_sep("|")
    |> tysv.col(Ok)
    |> tysv.col(int.parse)
    |> tysv.col(float.parse)
    |> tysv.build(data)
}

Further documentation can be found at https://hexdocs.pm/tysv.

Development

gleam run   # Run the project
gleam test  # Run the tests

Provenance

All code in this project is written naturally. No AI generation or assistance is used to implement any functionality.

LICENSE

tysv is made available under the terms of the EUPL-1.2 License.