更新

Sanchime.Toolkits/Basic.cs

@@ -0,0 +1,17 @@
+namespace Sanchime.Toolkits;
+
+public static class Basic
+{
+
+    public static void WriteLine<T>(this T @this)
+    {
+        System.Console.WriteLine(@this);
+    }
+
+    public static void WriteLine<T>(this T @this, Func<T, T> func)
+        => func(@this).WriteLine();
+
+    public static bool IsNullOrEmpty<T>(this string @this)
+        => string.IsNullOrEmpty(@this);
+
+}

Sanchime.Toolkits/Sanchime.Toolkits.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>