From ccad32b4f059bbc7ca5d81b43860564b88bf4d15 Mon Sep 17 00:00:00 2001
From: JaderOx <377964735@qq.com>
Date: Wed, 24 Jul 2024 15:31:41 +0800
Subject: [PATCH 1/4] homework_1_724

---
 HW-Async&Thread-1/Program.cs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/HW-Async&Thread-1/Program.cs b/HW-Async&Thread-1/Program.cs
index 6965f01..2b13711 100644
--- a/HW-Async&Thread-1/Program.cs
+++ b/HW-Async&Thread-1/Program.cs
@@ -61,6 +61,7 @@ public override int Val
         get
         {
             // TODO 1:读取操作
+            // 难道不是直接返回嘛？
             return val;
         }
     }
@@ -74,17 +75,22 @@ public int NewVal
         set
         {
             // TODO 2:修改操作
+            val = value;
+            // 在变化后立即开始计算
+            Update();
         }
     }
 
     public override async Task Update()
     {
         // TODO 3:更新操作
+        if (parent != null) await parent.Update();
     }
 
     public override void Register(Expr parent)
     {
         // TODO 4:注册操作
+        this.parent = parent;
     }
 }
 
@@ -100,6 +106,7 @@ public override int Val
         get
         {
             // TODO 5:读取操作
+            val = ExprA.Val + ExprB.Val;
             return val;
         }
     }
@@ -116,10 +123,12 @@ public AddExpr(Expr A, Expr B)
     public override async Task Update()
     {
         // TODO 6:更新操作
+        if (parent != null) await parent.Update();
     }
 
     public override void Register(Expr parent)
     {
         // TODO 7:注册操作
+        this.parent = parent;
     }
 }

From 6b22fc6c0ddccd937a4a03d3a3f037417490fdd5 Mon Sep 17 00:00:00 2001
From: JaderOx <377964735@qq.com>
Date: Wed, 24 Jul 2024 15:47:05 +0800
Subject: [PATCH 2/4] =?UTF-8?q?=E5=BC=82=E6=AD=A5&=E5=A4=9A=E7=BA=BF?=
 =?UTF-8?q?=E7=A8=8B-=E7=89=9B=E6=B5=A9=E7=91=9C-=E6=97=A036-2?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 HW-Async&Thread-1/Program.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/HW-Async&Thread-1/Program.cs b/HW-Async&Thread-1/Program.cs
index 2b13711..f95819a 100644
--- a/HW-Async&Thread-1/Program.cs
+++ b/HW-Async&Thread-1/Program.cs
@@ -77,7 +77,7 @@ public int NewVal
             // TODO 2:修改操作
             val = value;
             // 在变化后立即开始计算
-            Update();
+            Update().Wait();
         }
     }
 

From 763acea430e3aa5c032d4c927c4bb3f08f968e40 Mon Sep 17 00:00:00 2001
From: JaderOx <377964735@qq.com>
Date: Thu, 25 Jul 2024 12:53:49 +0800
Subject: [PATCH 3/4] =?UTF-8?q?=E5=BC=82=E6=AD=A5&=E5=A4=9A=E7=BA=BF?=
 =?UTF-8?q?=E7=A8=8B-=E7=89=9B=E6=B5=A9=E7=91=9C-=E6=97=A036-3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 HW-Async&Thread-1/Program.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/HW-Async&Thread-1/Program.cs b/HW-Async&Thread-1/Program.cs
index f95819a..871c929 100644
--- a/HW-Async&Thread-1/Program.cs
+++ b/HW-Async&Thread-1/Program.cs
@@ -106,7 +106,6 @@ public override int Val
         get
         {
             // TODO 5:读取操作
-            val = ExprA.Val + ExprB.Val;
             return val;
         }
     }
@@ -123,6 +122,7 @@ public AddExpr(Expr A, Expr B)
     public override async Task Update()
     {
         // TODO 6:更新操作
+        val = ExprA.Val + ExprB.Val;
         if (parent != null) await parent.Update();
     }
 

From 31792066bd302d91c620e4d4865be16531c57084 Mon Sep 17 00:00:00 2001
From: JaderOx <377964735@qq.com>
Date: Thu, 25 Jul 2024 16:04:47 +0800
Subject: [PATCH 4/4] =?UTF-8?q?=E5=BC=82=E6=AD=A5&=E5=A4=9A=E7=BA=BF?=
 =?UTF-8?q?=E7=A8=8B-=E7=89=9B=E6=B5=A9=E7=91=9C-=E6=97=A036-4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 HW-Async&Thread-1/Program.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/HW-Async&Thread-1/Program.cs b/HW-Async&Thread-1/Program.cs
index 871c929..e241faf 100644
--- a/HW-Async&Thread-1/Program.cs
+++ b/HW-Async&Thread-1/Program.cs
@@ -61,7 +61,6 @@ public override int Val
         get
         {
             // TODO 1:读取操作
-            // 难道不是直接返回嘛？
             return val;
         }
     }
@@ -91,6 +90,7 @@ public override void Register(Expr parent)
     {
         // TODO 4:注册操作
         this.parent = parent;
+        parent.Update();
     }
 }
 
@@ -130,5 +130,6 @@ public override void Register(Expr parent)
     {
         // TODO 7:注册操作
         this.parent = parent;
+        parent.Update();
     }
 }