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J. Nick Koston
7f4654eec4
The lambda in DelayAction::play_complex must be `mutable` so captured copies of non-const reference arguments (e.g. std::string& from the http_request on_response trigger) can bind to the non-const reference parameters of play_next_(const Ts&...). Without `mutable`, the captured members are const-qualified and cannot bind to `T&`. Regression from #14968 which replaced std::bind with a lambda. Fixes https://github.com/esphome/esphome/issues/15808
