mirror of https://github.com/bitcoin/bitcoin.git
27 lines
665 B
C++
27 lines
665 B
C++
// Copyright (c) 2023 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_UTIL_ANY_H
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#define BITCOIN_UTIL_ANY_H
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#include <any>
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namespace util {
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/**
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* Helper function to access the contained object of a std::any instance.
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* Returns a pointer to the object if passed instance has a value and the type
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* matches, nullptr otherwise.
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*/
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template<typename T>
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T* AnyPtr(const std::any& any) noexcept
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{
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T* const* ptr = std::any_cast<T*>(&any);
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return ptr ? *ptr : nullptr;
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}
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} // namespace util
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#endif // BITCOIN_UTIL_ANY_H
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