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// -*- C++ -*-
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include <__availability>
#include <__config>
#include <__format/format_fwd.h>
#include <cstddef>
#pragma GCC system_header
#include <__undef_macros>
#if _LIBCPP_STD_VER > 17
// TODO FMT Remove this once we require compilers with proper C++20 support.
// If the compiler has no concepts support, the format header will be disabled.
// Without concepts support enable_if needs to be used and that too much effort
// to support compilers with partial C++20 support.
template <class _Context>
// TODO FMT Implement [format.args]/5
// [Note 1: Implementations are encouraged to optimize the representation of
// basic_format_args for small number of formatting arguments by storing
// indices of type alternatives separately from values and packing the
// former. - end note]
// Note: Change __format_arg_store to use a built-in array.
_LIBCPP_HIDE_FROM_ABI basic_format_args() noexcept = default;
template <class... _Args>
_LIBCPP_HIDE_FROM_ABI basic_format_args(
const __format_arg_store<_Context, _Args...>& __store) noexcept
: __size_(sizeof...(_Args)), __data_( {}
basic_format_arg<_Context> get(size_t __id) const noexcept {
return __id < __size_ ? __data_[__id] : basic_format_arg<_Context>{};
_LIBCPP_HIDE_FROM_ABI size_t __size() const noexcept { return __size_; }
size_t __size_{0};
const basic_format_arg<_Context>* __data_{nullptr};
#endif // !defined(_LIBCPP_HAS_NO_CONCEPTS)
#endif //_LIBCPP_STD_VER > 17