23 lines
922 B
C++
23 lines
922 B
C++
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <sal/config.h>
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namespace o3tl
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{
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// Cast an rvalue to an lvalue. Can be useful if a function parameter is a pointer/reference to T,
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// and some call site doesn't need the value beyond the call itself (e.g., in a call like
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// std::modf(x, &o3tl::temporary(double())) to obtain the fractional part of x, ignoring the
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// integral part).
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template <typename T> constexpr T& temporary(T&& x) { return x; }
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template <typename T> constexpr T& temporary(T&) = delete;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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