[Infra] Add Benchmark project.

Author: reegeek

Build/Common.Benchmark.props

@@ -0,0 +1,14 @@
+<Project>
+  <PropertyGroup Label="Framework">
+    <DefaultTargetFrameworks>netcoreapp2.0;net461</DefaultTargetFrameworks>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet" Version="0.11.4" />
+    <PackageReference Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.11.4" />
+  </ItemGroup>
+</Project>

StructLinq.sln

@@ -7,13 +7,16 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "StructLinq", "src\StructLin
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Build", "Build", "{2987C571-432E-4640-8D24-A3F8C9341276}"
 	ProjectSection(SolutionItems) = preProject
+		Build\Common.Benchmark.props = Build\Common.Benchmark.props
 		Build\Common.props = Build\Common.props
 		Build\Common.Tests.props = Build\Common.Tests.props
 		src\Directory.Build.props = src\Directory.Build.props
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "StructLinq.Tests", "src\StructLinq.Tests\StructLinq.Tests.csproj", "{355C025E-3001-40F0-A456-05C13AF94466}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "StructLinq.Benchmark", "src\StructLinq.Benchmark\StructLinq.Benchmark.csproj", "{363DB35F-7108-4DE4-AE6C-62950E53D84E}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -28,6 +31,10 @@ Global
 		{355C025E-3001-40F0-A456-05C13AF94466}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{355C025E-3001-40F0-A456-05C13AF94466}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{355C025E-3001-40F0-A456-05C13AF94466}.Release|Any CPU.Build.0 = Release|Any CPU
+		{363DB35F-7108-4DE4-AE6C-62950E53D84E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{363DB35F-7108-4DE4-AE6C-62950E53D84E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{363DB35F-7108-4DE4-AE6C-62950E53D84E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{363DB35F-7108-4DE4-AE6C-62950E53D84E}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

src/Directory.Build.props

@@ -4,4 +4,5 @@
   </PropertyGroup>
   <Import Project="$(RootDir)\Build\Common.props"/>
   <Import Condition="$(MSBuildProjectName.EndsWith('Tests'))" Project="$(RootDir)\Build\Common.Tests.props"/>
+  <Import Condition="$(MSBuildProjectName.EndsWith('Benchmark'))" Project="$(RootDir)\Build\Common.Benchmark.props"/>
 </Project>

src/StructLinq.Benchmark/Benchmark.Main.cs

@@ -0,0 +1,10 @@
+using BenchmarkDotNet.Running;
+
+namespace StructLinq.Benchmark
+{
+    public class Program
+    {
+        public static void Main(string[] args) => BenchmarkSwitcher.FromAssembly(typeof(Program).Assembly).Run(args);
+    }
+
+}

src/StructLinq.Benchmark/StructLinq.Benchmark.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>$(DefaultTargetFrameworks)</TargetFrameworks>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet" Version="0.11.4" />
+    <PackageReference Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.11.4" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\StructLinq\StructLinq.csproj" />
+  </ItemGroup>
+
+</Project>