From a5be0c44fad921f5a5c9e384913278c5bc40c471 Mon Sep 17 00:00:00 2001
From: marlonpassos <marlon.passos@cadastra.com>
Date: Mon, 29 Jul 2024 01:11:09 -0300
Subject: [PATCH] feat(sum): ensures that typing will work with things other
 than numbers, objects

---
 src/number/sum.ts        |  6 +++---
 tests/number/sum.test.ts | 10 ++++++++++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/number/sum.ts b/src/number/sum.ts
index 2121f490..5de91329 100644
--- a/src/number/sum.ts
+++ b/src/number/sum.ts
@@ -19,12 +19,12 @@
  * // => 2
  * ```
  */
-export function sum<T extends number>(array: readonly T[]): number
-export function sum<T extends object | boolean>(
+export function sum(array: readonly number[]): number
+export function sum<T>(
   array: readonly T[],
   fn: (item: T) => number,
 ): number
-export function sum<T extends object | number>(
+export function sum<T>(
   array: readonly any[],
   fn?: (item: T) => number,
 ): number {
diff --git a/tests/number/sum.test.ts b/tests/number/sum.test.ts
index cc1209a0..12dbfaa4 100644
--- a/tests/number/sum.test.ts
+++ b/tests/number/sum.test.ts
@@ -22,4 +22,14 @@ describe('sum', () => {
     const result = _.sum(list, x => (x ? 1 : 0))
     expect(result).toBe(3)
   })
+
+  test('gracefully handles matrix input', () => {
+    const list = [
+      [1, 2, 3],
+      [4, 5, 6],
+      [7, 8, 9],
+    ]
+    const result = _.sum(list, x => _.sum(x))
+    expect(result).toBe(45)
+  })
 })