fix

include/ylt/coro_rpc/impl/errno.h

@@ -37,7 +37,7 @@ struct err_code {
  public:
   errc ec;
   err_code() : ec(errc::ok) {}
-  err_code(uint16_t ec) : ec{ec} {};
+  explicit err_code(uint16_t ec) : ec{ec} {};
   err_code(errc ec) : ec(ec){};
   err_code& operator=(errc ec) {
     this->ec = ec;
@@ -51,7 +51,8 @@ struct err_code {
   err_code& operator=(const err_code& o) = default;
   bool operator!() const { return ec == errc::ok; }
   operator errc() const { return ec; }
-  operator uint16_t() const { return static_cast<uint16_t>(ec); }
+  operator bool() const { return static_cast<uint16_t>(ec); }
+  explicit operator uint16_t() const { return static_cast<uint16_t>(ec); }
   uint16_t val() const { return static_cast<uint16_t>(ec); }
 };
 inline bool operator!(errc ec) { return ec == errc::ok; }

src/coro_rpc/examples/base_examples/rpc_service.cpp

@@ -21,6 +21,8 @@
 #include <ylt/coro_rpc/coro_rpc_client.hpp>
 #include <ylt/easylog.hpp>
 
+#include "ylt/coro_rpc/impl/errno.h"
+
 using namespace coro_rpc;
 
 std::string hello_world() {
@@ -100,13 +102,13 @@ void HelloService::hello_with_delay(
 }
 
 void return_error(coro_rpc::context<std::string> conn) {
-  conn.response_error(404, "404 Not Found.");
+  conn.response_error(coro_rpc::err_code{404}, "404 Not Found.");
 }
 void rpc_with_state_by_tag(coro_rpc::context<std::string> conn) {
   if (!conn.tag().has_value()) {
     conn.tag() = uint64_t{0};
   }
-  auto &cnter = std::any_cast<uint64_t&>(conn.tag());
+  auto &cnter = std::any_cast<uint64_t &>(conn.tag());
   ELOGV(INFO, "call count: %d", ++cnter);
   conn.response_msg(std::to_string(cnter));
 }

src/coro_rpc/tests/rpc_api.hpp

@@ -37,7 +37,7 @@ struct my_context {
 };
 void echo_with_attachment(coro_rpc::context<void> conn);
 inline void error_with_context(coro_rpc::context<void> conn) {
-  conn.response_error(104, "My Error.");
+  conn.response_error(coro_rpc::err_code{104}, "My Error.");
 }
 void coro_fun_with_user_define_connection_type(my_context conn);
 void coro_fun_with_delay_return_void(coro_rpc::context<void> conn);