internal/lib/reflect: TypeOf check closure

cl/_testgo/reflect/in.go

@@ -0,0 +1,23 @@
+package main
+
+import "reflect"
+
+func main() {
+	info := "hello world"
+	var fn any = func(n int) int {
+		println(info, n)
+		return n + 1
+	}
+	v := reflect.ValueOf(fn)
+	t := reflect.TypeOf(fn)
+	if kind := v.Type().Kind(); kind != t.Kind() && kind != reflect.Func {
+		panic("kind error")
+	}
+	r := v.Call([]reflect.Value{reflect.ValueOf(100)})
+	println(r[0].Int())
+	ifn, ok := v.Interface().(func(int) int)
+	if !ok {
+		panic("error")
+	}
+	ifn(100)
+}