variant.h

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// Copyright (c) 2023 The Bitcoin developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef BITCOIN_UTIL_VARIANT_H
#define BITCOIN_UTIL_VARIANT_H
 
namespace variant {
 
template <class... Ts> struct overloaded : Ts... {
    using Ts::operator()...;
};
// explicit deduction guide (not needed as of C++20)
template <class... Ts> overloaded(Ts...) -> overloaded<Ts...>;
 
} // namespace variant
 
#endif // BITCOIN_UTIL_VARIANT_H