添加泛型约束

walterlv · walterlv · commit 5156a39add1b · 2025-04-17T15:43:06.000+08:00
diff --git a/src/DotNetCampus.CommandLine/CommandLinePropertyValue.cs b/src/DotNetCampus.CommandLine/CommandLinePropertyValue.cs
@@ -306,7 +306,7 @@ public static implicit operator bool(CommandLinePropertyValue propertyValue)
     /// <summary>
     /// 将从命令行解析出来的属性值转换为枚举值。
     /// </summary>
-    public T ToEnum<T>() where T : unmanaged => _values switch
+    public T ToEnum<T>() where T : unmanaged, Enum => _values switch
     {
         { Count: 0 } => default,
         { } values => Enum.TryParse(typeof(T), values[0], true, out var result) ? (T)result : default!,

Original file line number	Diff line number	Diff line change
`@@ -306,7 +306,7 @@ public static implicit operator bool(CommandLinePropertyValue propertyValue)`
`306`	`306`	`/// <summary>`
`307`	`307`	`/// 将从命令行解析出来的属性值转换为枚举值。`
`308`	`308`	`/// </summary>`
`309`		`- public T ToEnum<T>() where T : unmanaged => _values switch`
	`309`	`+ public T ToEnum<T>() where T : unmanaged, Enum => _values switch`
`310`	`310`	`{`
`311`	`311`	`{ Count: 0 } => default,`
`312`	`312`	`{ } values => Enum.TryParse(typeof(T), values[0], true, out var result) ? (T)result : default!,`