From 2d08c10b46d8db4c17ab28621d6ed7c4e9b91f07 Mon Sep 17 00:00:00 2001
From: Daniel Weber <dw@exram.de>
Date: Wed, 9 May 2018 23:05:43 +0200
Subject: [PATCH] Reference System.ValueTuple for further reduction of
 allocations, use C# 7.1 to use value tuples without the need for explicit
 tuple component naming.

---
 Rx.NET/Source/src/System.Reactive/System.Reactive.csproj | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Rx.NET/Source/src/System.Reactive/System.Reactive.csproj b/Rx.NET/Source/src/System.Reactive/System.Reactive.csproj
index f02503e11b..b9ca9f9b30 100644
--- a/Rx.NET/Source/src/System.Reactive/System.Reactive.csproj
+++ b/Rx.NET/Source/src/System.Reactive/System.Reactive.csproj
@@ -4,6 +4,7 @@
     <CopyLocalLockFileAssemblies>false</CopyLocalLockFileAssemblies>       
     <PackageTags>Rx;Reactive;Extensions;Observable;LINQ;Events</PackageTags>
     <Description>Reactive Extensions (Rx) for .NET</Description>
+    <LangVersion>7.1</LangVersion>
   </PropertyGroup>
 
 
@@ -24,6 +25,7 @@
   
   <!-- UWP -->
   <ItemGroup Condition=" '$(TargetFramework)' == 'uap10.0' ">      
+    <PackageReference Include="System.ValueTuple" Version="4.4.0" />
     <PackageReference Include="System.ComponentModel" Version="4.0.1" />
     <PackageReference Include="System.Dynamic.Runtime" Version="4.0.11" />
     <PackageReference Include="System.Linq.Queryable" Version="4.0.1" />    
@@ -40,6 +42,7 @@
   
   <!-- Desktop -->
   <ItemGroup Condition=" '$(TargetFramework)' == 'net46'">
+    <PackageReference Include="System.ValueTuple" Version="4.4.0" />
     <Reference Include="System.Windows" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="WindowsBase" />