你好 输入 type Foo struct { a int } type ( Baz1 struct { aa int } Baz2 struct { b string } ) 输出 func ( s * Foo ) Hello () { fmt . Println ( "hello world" ) } func ( s * Baz1 ) Hello () { fmt . Println ( "hello world" ) } func ( s * Baz2 ) Hel