From 5fef36255dad56330ef801d7893fcae29bd24a32 Mon Sep 17 00:00:00 2001
From: Filipe <fm2097ad@gmail.com>
Date: Fri, 24 Jul 2015 10:54:44 +0100
Subject: [PATCH 1/2] added Transition.transitin() and optional 'i' on Arc<T>

---
 d3/d3.d.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/d3/d3.d.ts b/d3/d3.d.ts
index 50d6fbdaa8..b3a365cdfe 100644
--- a/d3/d3.d.ts
+++ b/d3/d3.d.ts
@@ -805,6 +805,9 @@ declare module d3 {
     }
 
     interface Transition<Datum> {
+
+        transition(): Transition<Datum>;
+        
         delay(): number;
         delay(delay: number): Transition<Datum>;
         delay(delay: (datum: Datum, index: number) => number): Transition<Datum>;
@@ -2358,7 +2361,7 @@ declare module d3 {
         }
 
         interface Arc<T> {
-            (d: T, i: number): string;
+            (d: T, i?: number): string;
 
             innerRadius(): (d: T, i: number) => number;
             innerRadius(radius: number): Arc<T>;

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 2/2] 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>;