From 64ccffcc3f23e26be850ea59d928518c756d210f Mon Sep 17 00:00:00 2001
From: Filipe <fm2097ad@gmail.com>
Date: Sun, 26 Jul 2015 09:23:41 +0100
Subject: [PATCH] fixed type of tween in Transition.attrTween to return
 interpolator function

---
 d3/d3.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/d3/d3.d.ts b/d3/d3.d.ts
index b3a365cdfe..aa6d299965 100644
--- a/d3/d3.d.ts
+++ b/d3/d3.d.ts
@@ -824,7 +824,7 @@ declare module d3 {
         attr(name: string, value: (datum: Datum, index: number) => Primitive): Transition<Datum>;
         attr(obj: { [key: string]: Primitive | ((datum: Datum, index: number) => Primitive) }): Transition<Datum>;
 
-        attrTween(name: string, tween: (datum: Datum, index: number, attr: string) => Primitive): Transition<Datum>;
+        attrTween(name: string, tween: (datum: Datum, index: number, attr: string) => (t: number) => Primitive): Transition<Datum>;
 
         style(name: string, value: Primitive, priority?: string): Transition<Datum>;
         style(name: string, value: (datum: Datum, index: number) => Primitive, priority?: string): Transition<Datum>;