添加Enum转换为Option的扩展

Sanchime.Functional/Core/Extensions/Enum.cs

@@ -0,0 +1,12 @@
+using Sanchime.Functional.Core.Products;
+
+namespace Sanchime.Functional.Core.Extensions;
+
+public static class EnumExtension
+{
+    /// <summary>
+    /// 将字符串转换为相应的枚举值的<see cref="Option"/
+    /// </summary>
+    public static Option<T> Parse<T>(this string @this) where T : struct
+        => Enum.TryParse(@this, out T val) ? Option.Some(val) : Option.None;
+}