From 3634d3d197adbf2947e891d7016be32e3e3186e1 Mon Sep 17 00:00:00 2001
From: Joao Moreno <jomo@microsoft.com>
Date: Thu, 15 Sep 2016 17:29:48 +0200
Subject: [PATCH] functional: not

---
 src/vs/base/common/functional.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 src/vs/base/common/functional.ts

diff --git a/src/vs/base/common/functional.ts b/src/vs/base/common/functional.ts
new file mode 100644
index 00000000000..5be547ec594
--- /dev/null
+++ b/src/vs/base/common/functional.ts
@@ -0,0 +1,11 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+export function not<A>(fn: (a: A) => boolean): (a: A) => boolean;
+export function not(fn: Function): Function {
+	return (...args) => !fn(...args);
+}
\ No newline at end of file
-- 
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