/* mbed Microcontroller Library
 * Copyright (c) 2019 ARM Limited
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef __initializer_list
#define __initializer_list

#include <cstddef>

namespace std {

// [support.initlist]
template <class _TypeE>
struct initializer_list {
    using value_type = _TypeE;
    using reference = const _TypeE &;
    using const_reference = const _TypeE &;
    using size_type = size_t;
    using iterator = const _TypeE *;
    using const_iterator = const _TypeE *;

    // [support.initlist.cons]
    constexpr initializer_list() noexcept : _C_ptr(nullptr), _C_count(0)
    {
    }
    constexpr initializer_list(const _TypeE *p, size_type n) noexcept : _C_ptr(p), _C_count(n)
    {
    }
    // [support.initlist.access]
    constexpr const _TypeE *begin() const noexcept
    {
        return _C_ptr;
    }
    constexpr const _TypeE *end() const noexcept
    {
        return _C_ptr + _C_count;
    }
    constexpr size_t size() const noexcept
    {
        return _C_count;
    }
private:
    const _TypeE *_C_ptr;
    size_t _C_count;
};

// [support.initlist.range]
template <class _TypeE>
constexpr const _TypeE *begin(initializer_list<_TypeE> il) noexcept
{
    return il.begin();
}

template <class _TypeE>
constexpr const _TypeE *end(initializer_list<_TypeE> il) noexcept
{
    return il.end();
}


} // namespace std

#endif /* __initializer_list */