Bitcoin Core  0.20.99
P2P Digital Currency
attributes.h
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1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2018 The Bitcoin Core developers
3 // Distributed under the MIT software license, see the accompanying
4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
5 
6 #ifndef BITCOIN_ATTRIBUTES_H
7 #define BITCOIN_ATTRIBUTES_H
8 
9 #if defined(__has_cpp_attribute)
10 # if __has_cpp_attribute(nodiscard)
11 # define NODISCARD [[nodiscard]]
12 # endif
13 #endif
14 #ifndef NODISCARD
15 # if defined(_MSC_VER) && _MSC_VER >= 1700
16 # define NODISCARD _Check_return_
17 # else
18 # define NODISCARD __attribute__((warn_unused_result))
19 # endif
20 #endif
21 
22 #endif // BITCOIN_ATTRIBUTES_H