From 4e6bdb31ac0243aa2261a9889c7aa6474f6fec60 Mon Sep 17 00:00:00 2001
From: Oxan van Leeuwen <oxan@oxanvanleeuwen.nl>
Date: Mon, 24 Jan 2022 20:57:26 +0100
Subject: [PATCH] Make CallbackManager invocable (#3089)

---
 esphome/core/helpers.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/esphome/core/helpers.h b/esphome/core/helpers.h
index c9a27a2fab..95bf10abc3 100644
--- a/esphome/core/helpers.h
+++ b/esphome/core/helpers.h
@@ -176,6 +176,9 @@ template<typename... Ts> class CallbackManager<void(Ts...)> {
       cb(args...);
   }
 
+  /// Call all callbacks in this manager.
+  void operator()(Ts... args) { call(args...); }
+
  protected:
   std::vector<std::function<void(Ts...)>> callbacks_;
 };