From bcd24674ec0a594882b276fd48fe70c6e3d7ec86 Mon Sep 17 00:00:00 2001
From: Tomasz Chojnacki <tomaszchojnacki2001@gmail.com>
Date: Thu, 6 Apr 2023 11:47:33 +0200
Subject: Finish day 11

---
 aoc-2020-gleam/src/ext/setx.gleam | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 aoc-2020-gleam/src/ext/setx.gleam

(limited to 'aoc-2020-gleam/src/ext/setx.gleam')

diff --git a/aoc-2020-gleam/src/ext/setx.gleam b/aoc-2020-gleam/src/ext/setx.gleam
new file mode 100644
index 0000000..57e368e
--- /dev/null
+++ b/aoc-2020-gleam/src/ext/setx.gleam
@@ -0,0 +1,10 @@
+import gleam/set.{Set}
+import gleam/iterator as iter
+import ext/iteratorx as iterx
+
+pub fn count(set: Set(a), satisfying predicate: fn(a) -> Bool) -> Int {
+  set
+  |> set.to_list
+  |> iter.from_list
+  |> iterx.count(satisfying: predicate)
+}
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