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doc: Clarify C++20 comments

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MarcoFalke 2023-12-09 14:55:01 +01:00
parent d84f736ba1
commit fa87f8feb7
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3 changed files with 5 additions and 4 deletions
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4
src/test/fuzz/fuzz.cpp
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@ -1,4 +1,4 @@
// Copyright (c) 2009-2022 The Bitcoin Core developers
// Copyright (c) 2009-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -71,7 +71,7 @@ auto& FuzzTargets()
void FuzzFrameworkRegisterTarget(std::string_view name, TypeTestOneInput target, FuzzTargetOptions opts)
{
const auto it_ins{FuzzTargets().try_emplace(name, FuzzTarget /* temporary can be dropped in C++20 */ {std::move(target), std::move(opts)})};
const auto it_ins{FuzzTargets().try_emplace(name, FuzzTarget /* temporary can be dropped after clang-16 */ {std::move(target), std::move(opts)})};
Assert(it_ins.second);
}

4
src/util/overloaded.h
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@ -1,4 +1,4 @@
// Copyright (c) 2021 The Bitcoin Core developers
// Copyright (c) 2021-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -15,7 +15,7 @@ namespace util {
//! https://en.cppreference.com/w/cpp/utility/variant/visit#Example
template<class... Ts> struct Overloaded : Ts... { using Ts::operator()...; };
//! Explicit deduction guide (not needed as of C++20)
//! Explicit deduction guide (not needed after clang-17)
template<class... Ts> Overloaded(Ts...) -> Overloaded<Ts...>;
} // namespace util

1
src/util/types.h
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@ -5,6 +5,7 @@
#ifndef BITCOIN_UTIL_TYPES_H
#define BITCOIN_UTIL_TYPES_H
// Not needed after C++23 (DR, https://cplusplus.github.io/CWG/issues/2518.html)
template <class>
inline constexpr bool ALWAYS_FALSE{false};