1  // Copyright (c) 2021 The Bitcoin Core developers
 2  // Distributed under the MIT software license, see the accompanying
 3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 4  
 5  #ifndef BITCOIN_UTIL_TYPES_H
 6  #define BITCOIN_UTIL_TYPES_H
 7  
 8  // Not needed after C++23 (DR, https://cplusplus.github.io/CWG/issues/2518.html)
 9  template <class>
10  inline constexpr bool ALWAYS_FALSE{false};
11  
12  #endif // BITCOIN_UTIL_TYPES_H