From 00d79487cd89f3cae675ecc0392c47ba547b69a5 Mon Sep 17 00:00:00 2001
From: Aya Morisawa <AyaMorisawa4869@gmail.com>
Date: Fri, 7 Sep 2018 00:02:55 +0900
Subject: Add erase function (#2641)

---
 src/prelude/array.ts | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/prelude/array.ts')

diff --git a/src/prelude/array.ts b/src/prelude/array.ts
index 9a3c266d6d..a2a6bbd4c6 100644
--- a/src/prelude/array.ts
+++ b/src/prelude/array.ts
@@ -13,3 +13,7 @@ export function concat<T>(xss: T[][]): T[] {
 export function intersperse<T>(sep: T, xs: T[]): T[] {
 	return concat(xs.map(x => [sep, x])).slice(1);
 }
+
+export function erase<T>(x: T, xs: T[]): T[] {
+	return xs.filter(y => x !== y);
+}
-- 
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