From ed996924bdc1accad5ccd24444faabdf1edf7353 Mon Sep 17 00:00:00 2001
From: Rudxain <76864299+Rudxain@users.noreply.github.com>
Date: Sat, 27 Dec 2025 13:33:35 -0400
Subject: [PATCH] feat(other): add `count_values`

---
 other/count_values.ts | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 other/count_values.ts

diff --git a/other/count_values.ts b/other/count_values.ts
new file mode 100644
index 00000000..f61d8ff5
--- /dev/null
+++ b/other/count_values.ts
@@ -0,0 +1,13 @@
+export const countValues = <T>(it: Iterable<T>) => {
+  const counts: Map<T, bigint> = new Map()
+  for (const x of it) {
+    counts.set(x, (counts.get(x) ?? 0n) + 1n)
+  }
+  return counts
+}
+
+export const countValuesBounded = <T>(a: readonly T[]) =>
+  a.reduce(
+    (counts, x) => counts.set(x, (counts.get(x) ?? 0) + 1),
+    new Map<T, number>()
+  )