From 51b148624aa1dfa9f25eb5831f7be712cd370b4c Mon Sep 17 00:00:00 2001
From: Pavel Tereschenko <me@stupidcat.wtf>
Date: Sat, 4 Aug 2018 02:43:40 +0300
Subject: [PATCH 1/2] Streams became covariant

---
 src/index.js.flow | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/index.js.flow b/src/index.js.flow
index e5dfe2ea..ed196e3b 100644
--- a/src/index.js.flow
+++ b/src/index.js.flow
@@ -5,7 +5,7 @@ declare type TimeValue<V> = { time: number, value: V };
 
 declare type CreateGenerator<A> = (...args: Array<any>) => Generator<A|Promise<A>, any, any>;
 
-export type Sink<A> = {
+export type Sink<+A> = {
   event(time: number, value: A): void;
   // end value parameter is deprecated
   end(time: number, value?: A): void;

From 73719d832ee8abef8b83cd43765fdd70603b9e74 Mon Sep 17 00:00:00 2001
From: Pavel Tereschenko <me@stupidcat.wtf>
Date: Sat, 4 Aug 2018 14:54:34 +0300
Subject: [PATCH 2/2] Fix Sink and Stream types

---
 src/index.js.flow | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/index.js.flow b/src/index.js.flow
index ed196e3b..557dd04d 100644
--- a/src/index.js.flow
+++ b/src/index.js.flow
@@ -5,7 +5,7 @@ declare type TimeValue<V> = { time: number, value: V };
 
 declare type CreateGenerator<A> = (...args: Array<any>) => Generator<A|Promise<A>, any, any>;
 
-export type Sink<+A> = {
+export type Sink<A> = {
   event(time: number, value: A): void;
   // end value parameter is deprecated
   end(time: number, value?: A): void;
@@ -58,7 +58,7 @@ export type Subscription<A> = {
   unsubscribe(): void;
 }
 
-declare export class Stream<A> {
+declare export class Stream<+A> {
   constructor(source: Source<A>): Stream<A>;
   source: Source<A>;
   run (sink: Sink<A>, scheduler: Scheduler): Disposable<A>;