time_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 implied.
// 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/time_types.hpp"
 
// tts : std::chrono::seconds
 
namespace sparrow
{
    using time_types_t = mpl::
        typelist<chrono::time_seconds, chrono::time_milliseconds, chrono::time_microseconds, chrono::time_nanoseconds>;
 
    static constexpr time_types_t time_types;
    template <typename T>
    concept time_type = mpl::contains<T>(time_types);

    template <time_type T>
    using time_array = array_trivial_copyable<T>;
 
    using time_seconds_array = time_array<chrono::time_seconds>;
    using time_milliseconds_array = time_array<chrono::time_milliseconds>;
    using time_microseconds_array = time_array<chrono::time_microseconds>;
    using time_nanoseconds_array = time_array<chrono::time_nanoseconds>;
 
    template <class T>
    struct is_time_array : std::false_type
    {
    };
 
    template <class T>
    struct is_time_array<time_array<T>> : std::true_type
    {
    };

    template <class T>
    constexpr bool is_time_array_v = is_time_array<T>::value;
}