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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
export namespace std {
// [func.invoke], invoke
using std::invoke;
#if _LIBCPP_STD_VER >= 23
using std::invoke_r;
#endif
#if _LIBCPP_STD_VER >= 20
using std::basic_common_reference;
#endif
// [refwrap], reference_wrapper
using std::reference_wrapper;
using std::cref;
using std::ref;
// [arithmetic.operations], arithmetic operations
using std::divides;
using std::minus;
using std::modulus;
using std::multiplies;
using std::negate;
using std::plus;
// [comparisons], comparisons
using std::equal_to;
using std::greater;
using std::greater_equal;
using std::less;
using std::less_equal;
using std::not_equal_to;
// [comparisons.three.way], class compare_three_way
using std::compare_three_way;
// [logical.operations], logical operations
using std::logical_and;
using std::logical_not;
using std::logical_or;
// [bitwise.operations], bitwise operations
using std::bit_and;
using std::bit_not;
using std::bit_or;
using std::bit_xor;
// [func.identity], identity
using std::identity;
// [func.not.fn], function template not_fn
using std::not_fn;
// [func.bind.partial], function templates bind_front and bind_back
using std::bind_front;
#if _LIBCPP_STD_VER >= 23
using std::bind_back;
#endif
// [func.bind], bind
using std::is_bind_expression;
using std::is_bind_expression_v;
using std::is_placeholder;
using std::is_placeholder_v;
using std::bind;
namespace placeholders {
// M is the implementation-defined number of placeholders
using std::placeholders::_1;
using std::placeholders::_10;
using std::placeholders::_2;
using std::placeholders::_3;
using std::placeholders::_4;
using std::placeholders::_5;
using std::placeholders::_6;
using std::placeholders::_7;
using std::placeholders::_8;
using std::placeholders::_9;
} // namespace placeholders
// [func.memfn], member function adaptors
using std::mem_fn;
// [func.wrap], polymorphic function wrappers
using std::bad_function_call;
using std::function;
using std::swap;
using std::operator==;
// [func.wrap.move], move only wrapper
// using std::move_only_function;
// [func.search], searchers
using std::default_searcher;
using std::boyer_moore_searcher;
using std::boyer_moore_horspool_searcher;
// [unord.hash], class template hash
using std::hash;
namespace ranges {
// [range.cmp], concept-constrained comparisons
using std::ranges::equal_to;
using std::ranges::greater;
using std::ranges::greater_equal;
using std::ranges::less;
using std::ranges::less_equal;
using std::ranges::not_equal_to;
} // namespace ranges
} // namespace std
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