Parsing CSV

README.md

@@ -28,6 +28,7 @@ Examples showing how to do many things in Gleam!
 
 ## Formats
 
+- [Parsing CSV](./universal/test/formats/parsing_csv.gleam)
 - [Parsing TOML](./universal/test/formats/parsing_toml.gleam)
 - [Rendering CSV](./universal/test/formats/rendering_csv.gleam)
 - [Rendering HTML](./universal/test/formats/rendering_html.gleam)

universal/test/formats/parsing_csv.gleam

@@ -0,0 +1,37 @@
+//// # Parsing CSV
+//// 
+//// The gsv package can be used to parse and render CSV on all targets.
+////
+//// ## Dependencies
+////
+//// - https://hex.pm/packages/gsv
+
+import gleam/dict
+import gleeunit/should
+import gsv
+
+pub fn main_test() {
+  let csv =
+    "name,colour,score
+Lucy,Pink,100
+Nubi,Black,100
+"
+
+  // The `to_lists` function can be used to parse a CSV to a list of lists
+  gsv.to_lists(csv)
+  |> should.be_ok
+  |> should.equal([
+    ["name", "colour", "score"],
+    ["Lucy", "Pink", "100"],
+    ["Nubi", "Black", "100"],
+  ])
+
+  // It may be easier to work with your data as dicts. If so you can use the
+  // `to_dicts` function.
+  gsv.to_dicts(csv)
+  |> should.be_ok
+  |> should.equal([
+    dict.from_list([#("name", "Lucy"), #("colour", "Pink"), #("score", "100")]),
+    dict.from_list([#("name", "Nubi"), #("colour", "Black"), #("score", "100")]),
+  ])
+}