update readme

1 files changed, 10 insertions, 13 deletions

diff --git a/runtime.md b/runtime.md
index 7374b8d..2f84bc1 100644
--- a/runtime.md
+++ b/runtime.md
@@ -3,6 +3,7 @@ changelog
 ```log
 10.24 init
 10.27 update
+10.30 更新 rust 1.75 版本
 ```
 
 目前能运行起来,并将 plugin 编写简化成和 事件回调 基本相同水平.
@@ -15,12 +16,11 @@ plugin 必须实现 PHandle trait, 其返回值类型为 T (可也是 `()` 即�
 
 ```rust
 pub(crate) trait PHandle<T: Default> {
-    type EventArray: AsRef<[Event]>; // for interested_events() return type
 
     fn get_name(&self) -> &'static str;
     fn plug_events(&mut self) -> &PlugEvents;
 
-    fn interested_events(&mut self) -> Self::EventArray;
+    fn interested_events(&mut self) -> impl AsRef<[Event]>;
 
     fn handle_events<'a>(
         &'a mut self,
@@ -36,19 +36,17 @@ pub(crate) trait PHandle<T: Default> {
 
 ```rust
 pub trait PHandleExt<T: Default> {
-    type ReturnFuture<'a>: Future<Output = T>
-    where
-        Self: 'a,
-        T: 'a;
-
     fn init(&mut self); // plugin.init
 
     // plugin.handle
-    fn handle<'a>(
+    async fn handle<'a>(
         &'a mut self,
         packet: Option<&'a Packet<'a>>, // packet as a reference, need 'a lifetime
         session: Option<Rc<RefCell<Session>>>,
-    ) -> <Self as PHandleExt<T>>::ReturnFuture<'_>;
+    ) -> T
+    where
+        Self: 'a,
+        T: 'a;
 }
 
 impl<A, T> PHandleExt<T> for A
@@ -59,8 +57,8 @@ where
 ```
 
 PHandleExt 的 `int` 和 `handle`
-- rust 稳定版尚不能在 trait 中定义 async fn. [pull/115822](https://github.com/rust-lang/rust/pull/115822) 已合并进入主线,预计版本是 1.75. 这时 handle 应该定义为 async fn.
-- 这里用了 nightly 一个 feature (type_alias_impl_trait) ,没有 dyn 的开销.
+- rust 稳定版尚不能在 trait 中定义 async fn. [pull/115822](https://github.com/rust-lang/rust/pull/115822) 已合并进入主线,对应版本是 1.75. ~~这时 handle 应该定义为 async fn.~~ 已在更改并在 1.75 版本测试,上述代码应该能在 1.75 版本稳定版上运行.
+- ~~这里用了 nightly 一个 feature (type_alias_impl_trait) ,没有 dyn 的开销.~~ 不再定义为 type alias, 直接使用 impl trait.
 
 ## plugin
 
@@ -85,8 +83,7 @@ impl PHandle<()> for ExamplePulgin {
     fn get_name(&self) -> &'static str {self.plugin_name}
     fn plug_events(&mut self) -> &PlugEvents {&(self.plug_events)}
 
-    type EventArray = [Event; 5];
-    fn interested_events(&mut self) -> Self::EventArray {
+    fn interested_events(&mut self) -> impl AsRef<[Event]> {
         [
             Event::TCPOpeningEvent,
             Event::TCPActiveEvent,