389a23c538
Resolves #148131 - Unlock `std::optional<T&>` implementation - Allow instantiations of `optional<T(&)(...)>` and `optional<T(&)[]>` but disables `value_or()` and `optional::iterator` + all `iterator` related functions - Update documentation - Update tests
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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export namespace std {
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// [optional.optional], class template optional
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using std::optional;
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#if _LIBCPP_STD_VER >= 26
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// [optional.iterators], iterator support
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namespace ranges {
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using std::ranges::enable_borrowed_range;
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using std::ranges::enable_view;
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} // namespace ranges
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#endif
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// [optional.nullopt], no-value state indicator
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using std::nullopt;
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using std::nullopt_t;
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// [optional.bad.access], class bad_optional_access
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using std::bad_optional_access;
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#if _LIBCPP_STD_VER >= 26
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using std::format_kind;
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#endif
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// [optional.relops], relational operators
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using std::operator==;
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using std::operator!=;
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using std::operator<;
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using std::operator>;
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using std::operator<=;
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using std::operator>=;
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using std::operator<=>;
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// [optional.specalg], specialized algorithms
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using std::swap;
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using std::make_optional;
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// [optional.hash], hash support
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using std::hash;
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} // namespace std
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