From 2f3559148082af53e5a049c33aa65fded9eb8131 Mon Sep 17 00:00:00 2001
From: Benjamin <benjaminpeinhardt@gmail.com>
Date: Thu, 26 Sep 2024 12:59:21 -0500
Subject: [PATCH] patch from_dicts

---
 CHANGELOG.md        |  3 +++
 gleam.toml          |  2 +-
 src/gsv.gleam       |  9 +++++----
 test/gsv_test.gleam | 15 +++++++++++++++
 4 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 922fd4b..65f5b6a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+## v2.0.1 - 26 September 2024
+- Patch to consider all headers in from_dicts.
+
 ## v2.0.0 - 24 September 2024
 - Now there are four public functions, `to_lists`, `to_dicts`, `from_lists` and `from_dicts`.
 
diff --git a/gleam.toml b/gleam.toml
index db96d1a..7f3d010 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -1,5 +1,5 @@
 name = "gsv"
-version = "2.0.0"
+version = "2.0.1"
 gleam = ">= 0.32.0"
 description = "A simple csv parser and generator written in gleam "
 
diff --git a/src/gsv.gleam b/src/gsv.gleam
index 569caa5..0a3fb32 100644
--- a/src/gsv.gleam
+++ b/src/gsv.gleam
@@ -124,11 +124,12 @@ pub fn from_dicts(
 ) -> String {
   case input {
     [] -> ""
-    [first_row, ..] -> {
+    _ -> {
       let headers =
-        first_row
-        |> dict.to_list
-        |> list.map(pair.first)
+        input
+        |> list.map(dict.keys)
+        |> list.flatten
+        |> list.unique
         |> list.sort(string.compare)
 
       let rows =
diff --git a/test/gsv_test.gleam b/test/gsv_test.gleam
index ec579a4..693a089 100644
--- a/test/gsv_test.gleam
+++ b/test/gsv_test.gleam
@@ -219,3 +219,18 @@ pub fn dicts_with_empty_values_test() {
     dict.from_list([#("age", "27"), #("name", "Austin")]),
   ])
 }
+
+pub fn dicts_with_missing_values_test() {
+  let data = [
+    dict.from_list([#("name", "Lucy"), #("score", "100"), #("colour", "Pink")]),
+    dict.from_list([
+      #("name", "Isaac"),
+      #("youtube", "@IsaacHarrisHolt"),
+      #("score", "99"),
+    ]),
+  ]
+  gsv.from_dicts(data, ",", gsv.Unix)
+  |> should.equal(
+    "colour,name,score,youtube\nPink,Lucy,100\nIsaac,99,@IsaacHarrisHolt",
+  )
+}