add dingtalk img

README.md

@@ -472,6 +472,14 @@ see [Build Website](https://github.com/alibaba/yalantinglibs/blob/main/website/R
 4. Choose one or more reviewers from contributors: (e.g., qicosmos, poor-circle, PikachuHyA).
 5. Get approved and merged.
 
+# Discussion group
+
+DingTalk group
+
+<center>
+<img src="./website/docs/public/img/yalantinglibs_ding_talk_group.png" alt="dingtalk" width="200" height="200" align="bottom" />
+</center>
+
 ## License
 
 yaLanTingLibs is distributed under the Apache License (Version 2.0)

include/ylt/thirdparty/iguana/error_code.h

@@ -7,7 +7,7 @@
 namespace iguana {
 
 class iguana_category : public std::error_category {
-public:
+ public:
   virtual const char *name() const noexcept override {
     return "iguana::category";
   }
@@ -24,7 +24,8 @@ class iguana_category : public std::error_category {
   int add_message(const std::string &msg) {
     if (auto it = err_map_.find(msg); it != err_map_.end()) {
       return it->second;
-    } else {
+    }
+    else {
       err_++;
       err_map_.emplace(msg, err_);
       return err_;
@@ -54,26 +55,27 @@ enum class dom_errc {
 };
 
 class iguana_dom_category : public std::error_category {
-public:
+ public:
   virtual const char *name() const noexcept override {
     return "iguana::dom_category";
   }
   virtual std::string message(int err_val) const override {
     switch (static_cast<dom_errc>(err_val)) {
-    case dom_errc::ok:
-      return "ok";
-    case dom_errc::wrong_type: {
-      auto it = detail_msg_map_.find(dom_errc::wrong_type);
-      if (it != detail_msg_map_.end()) {
-        return std::string("wrong type, ")
-            .append("real type is ")
-            .append(it->second);
-      } else {
-        return "wrong type";
+      case dom_errc::ok:
+        return "ok";
+      case dom_errc::wrong_type: {
+        auto it = detail_msg_map_.find(dom_errc::wrong_type);
+        if (it != detail_msg_map_.end()) {
+          return std::string("wrong type, ")
+              .append("real type is ")
+              .append(it->second);
+        }
+        else {
+          return "wrong type";
+        }
       }
-    }
-    default:
-      return "(unrecognized error)";
+      default:
+        return "(unrecognized error)";
     }
   }
 
@@ -95,4 +97,4 @@ inline std::error_code make_error_code(iguana::dom_errc err,
 
   return std::error_code((int)err, instance);
 }
-} // namespace iguana
+}  // namespace iguana

website/docs/zh/guide/what_is_yalantinglibs.md

@@ -433,6 +433,14 @@ async_simple是一个C++20协程库，提供各种轻量且易用的组件，帮
 4. 提交Pull Request，并选择审核者: (如： qicosmos, poor-circle, PikachuHyA).
 5. 通过github的全平台测试，审核者完成审核，代码合入主线。
 
+# 讨论组
+
+钉钉群
+
+<center>
+<img src="../../public/img/yalantinglibs_ding_talk_group.png" alt="dingtalk" width="200" height="200" align="bottom" />
+</center>
+
 ## 许可证
 
 yaLanTingLibs 基于 Apache License (Version 2.0) 开发。