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Add size getter to CallbackManager (#5129)

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Jesse Hills 2023-07-20 12:37:42 +12:00 committed by GitHub
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esphome/core/helpers.h
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@ -475,6 +475,7 @@ template<typename... Ts> class CallbackManager<void(Ts...)> {
for (auto &cb : this->callbacks_)
cb(args...);
}
size_t size() const { return this->callbacks_.size(); }
/// Call all callbacks in this manager.
void operator()(Ts... args) { call(args...); }