diff --git a/Sanchime.Test/Program.cs b/Sanchime.Test/Program.cs
index d25b921..f5e058a 100644
--- a/Sanchime.Test/Program.cs
+++ b/Sanchime.Test/Program.cs
@@ -1 +1,19 @@
-Console.WriteLine("Hello World!");
\ No newline at end of file
+using Sanchime.Functional.Core.Products;
+using Sanchime.Functional.Core.Extensions;
+using Sanchime.Toolkits;
+
+// Test<int> test = new Test<int>();
+
+// Console.WriteLine(test.Map((Test<int> x) => {x.Value = 2; return x;}).Value);
+
+// Console.WriteLine(test.Value);
+
+foo(10);
+foo(Option.None);
+
+void foo(Option<int> option)
+{
+    var res = option.Map(x => x + 2);
+    res.WriteLine();
+}
+
diff --git a/Sanchime.Test/Sanchime.Test.csproj b/Sanchime.Test/Sanchime.Test.csproj
index d439800..4e9d71e 100644
--- a/Sanchime.Test/Sanchime.Test.csproj
+++ b/Sanchime.Test/Sanchime.Test.csproj
@@ -1,5 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
+  <ItemGroup>
+    <ProjectReference Include="..\Sanchime.Functional\Sanchime.Functional.csproj" />
+    <ProjectReference Include="..\Sanchime.Toolkits\Sanchime.Toolkits.csproj" />
+  </ItemGroup>
+
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net7.0</TargetFramework>