From 955226b8ba73a51c7f4803f6ad54a75daf75ae24 Mon Sep 17 00:00:00 2001
From: Sebastian <s@porto5.com>
Date: Tue, 12 Jan 2021 09:09:29 +1100
Subject: Add list.index_fold

---
 test/gleam/list_test.gleam | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'test')

diff --git a/test/gleam/list_test.gleam b/test/gleam/list_test.gleam
index d9a4285..1c32878 100644
--- a/test/gleam/list_test.gleam
+++ b/test/gleam/list_test.gleam
@@ -171,6 +171,12 @@ pub fn fold_right_test() {
   |> should.equal([1, 2, 3])
 }
 
+pub fn index_fold_test() {
+  ["a", "b", "c"]
+  |> list.index_fold([], fn(ix, i, acc) { [tuple(ix, i), ..acc] })
+  |> should.equal([tuple(2, "c"), tuple(1, "b"), tuple(0, "a")])
+}
+
 pub fn find_map_test() {
   let f = fn(x) {
     case x {
-- 
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