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44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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// DESCRIPTION: Verilator: Backports of features from future C++ versions
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//
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// Code available from: https://verilator.org
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//
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//*************************************************************************
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//
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// Copyright 2003-2024 by Wilson Snyder. This program is free software; you
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// can redistribute it and/or modify it under the terms of either the GNU
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// Lesser General Public License Version 3 or the Perl Artistic License
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// Version 2.0.
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// SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
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//
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//*************************************************************************
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#ifndef VERILATOR_V3STDFUTURE_H_
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#define VERILATOR_V3STDFUTURE_H_
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#include <functional>
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namespace vlstd {
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// constexpr std::max with arguments passed by value (required by constexpr before C++14)
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template <class T>
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constexpr T max(T a, T b) {
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return a > b ? a : b;
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}
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// C++17 is_invocable
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template <typename F, typename... Args>
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struct is_invocable
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: std::is_constructible<std::function<void(Args...)>,
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std::reference_wrapper<typename std::remove_reference<F>::type>> {};
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// C++17 is_invocable_r
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template <typename R, typename F, typename... Args>
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struct is_invocable_r
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: std::is_constructible<std::function<R(Args...)>,
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std::reference_wrapper<typename std::remove_reference<F>::type>> {};
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}; // namespace vlstd
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#endif // Guard
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