asio C++ library
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experimental::promise::operator()

Wait for the promise to become ready. 

template<
    typename CompletionToken>
DEDUCED operator()(
    CompletionToken && token);
Copyright © 2003-2023 Christopher M. Kohlhoff

Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

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