From c0db7ffe8f55b6ec335880482ca43b93b066689d Mon Sep 17 00:00:00 2001
From: Dick van den Brink <d_vandenbrink@outlook.com>
Date: Sun, 8 Mar 2015 18:08:49 +0100
Subject: [PATCH] Added valueOf definitions for String and Number

---
 src/lib/core.d.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/lib/core.d.ts b/src/lib/core.d.ts
index cb5324fbd3d..bbaddeeacc1 100644
--- a/src/lib/core.d.ts
+++ b/src/lib/core.d.ts
@@ -410,6 +410,9 @@ interface String {
       */
     substr(from: number, length?: number): string;
 
+    /** Returns the primitive value of the specified object. */
+    valueOf(): string;
+
     [index: number]: string;
 }
 
@@ -462,6 +465,9 @@ interface Number {
       * @param precision Number of significant digits. Must be in the range 1 - 21, inclusive.
       */
     toPrecision(precision?: number): string;
+
+    /** Returns the primitive value of the specified object. */
+    valueOf(): number;
 }
 
 interface NumberConstructor {