From 72a378393a1f525871eec6c376cc62dd8276f6a3 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Thu, 19 Mar 2026 00:37:18 -1000
Subject: [PATCH] [mqtt] Replace std::bind with lambda in MQTTPublishJsonAction

Replace std::bind with a lambda that captures [this, x...] directly,
eliminating the intermediate encode_ method.
---
 esphome/components/mqtt/mqtt_client.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/esphome/components/mqtt/mqtt_client.h b/esphome/components/mqtt/mqtt_client.h
index 127e4073b0..0d52d98d2f 100644
--- a/esphome/components/mqtt/mqtt_client.h
+++ b/esphome/components/mqtt/mqtt_client.h
@@ -405,15 +405,14 @@ template<typename... Ts> class MQTTPublishJsonAction : public Action<Ts...> {
   void set_payload(std::function<void(Ts..., JsonObject)> payload) { this->payload_ = payload; }
 
   void play(const Ts &...x) override {
-    auto f = std::bind(&MQTTPublishJsonAction<Ts...>::encode_, this, x..., std::placeholders::_1);
     auto topic = this->topic_.value(x...);
     auto qos = this->qos_.value(x...);
     auto retain = this->retain_.value(x...);
-    this->parent_->publish_json(topic, f, qos, retain);
+    this->parent_->publish_json(
+        topic, [this, x...](JsonObject root) { this->payload_(x..., root); }, qos, retain);
   }
 
  protected:
-  void encode_(Ts... x, JsonObject root) { this->payload_(x..., root); }
   std::function<void(Ts..., JsonObject)> payload_;
   MQTTClientComponent *parent_;
 };