date_array.hpp

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// Copyright 2024 Man Group Operations Limited
//
// 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 mplied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#pragma once
 
#include "sparrow/layout/array_trivial_copyable.hpp"
#include "sparrow/layout/temporal/date_types.hpp"
 
// tdD : std::chrono::seconds
// tdm : std::chrono::milliseconds
 
namespace sparrow
{
    using date_types_t = mpl::typelist<date_days, date_milliseconds>;
 
    static constexpr date_types_t date_types;
    template <typename T>
    concept date_type = mpl::contains<T>(date_types);

    template <date_type T>
    using date_array = array_trivial_copyable<T>;
 
    using date_days_array = date_array<date_days>;
    using date_milliseconds_array = date_array<date_milliseconds>;
 
    template <class T>
    struct is_date_array : std::false_type
    {
    };
 
    template <class T>
    struct is_date_array<date_array<T>> : std::true_type
    {
    };

    template <class T>
    constexpr bool is_date_array_v = is_date_array<T>::value;
}