From 49d1b71565d84d2714251dd008e360ec0e254d19 Mon Sep 17 00:00:00 2001
From: "Timur A. Fatkhullin" <timur@sao.ru>
Date: Fri, 22 Nov 2024 15:43:31 +0300
Subject: [PATCH] ...

---
 net/adc_netclient.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/adc_netclient.h b/net/adc_netclient.h
index a6a72c3..469889b 100644
--- a/net/adc_netclient.h
+++ b/net/adc_netclient.h
@@ -55,7 +55,9 @@ public:
     }
 
 
-    template <interfaces::adc_netsession_c SessionT, typename TokenT, typename... NetServiceCtorArgTs>
+    template <interfaces::adc_netsession_c SessionT,
+              std::invocable<typename SessionT::netservice_t::async_callback_err_t, SessionT> TokenT,
+              typename... NetServiceCtorArgTs>
     void start(const SessionT::netservice_t::endpoint_t& endpoint,
                SessionT::netsession_ident_t id,
                SessionT::netsession_ctx_t sess_ctx,