CompatibleStringViewable.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Concepts/CharType.h"
#include "Concepts/CompatibleCharType.h"
#include "Concepts/ContiguousRange.h"
#include "Traits/ElementType.h"
#include <type_traits>
 
namespace UE
{
    // Concept which describes a type which can be bound to a TStringView of a given char encoding type.
    template <typename CharRangeType, typename CharEncodingType>
    concept CCompatibleStringViewable =
        (
            std::is_pointer_v<std::decay_t<CharRangeType>> &&
            UE::CCharType<std::remove_pointer_t<std::decay_t<CharRangeType>>> &&
            UE::CCompatibleCharType<std::remove_pointer_t<std::decay_t<CharRangeType>>, CharEncodingType>
        ) || (
            UE::CContiguousRange<CharRangeType> &&
            UE::CCharType<TElementType_T<CharRangeType>> &&
            UE::CCompatibleCharType<TElementType_T<CharRangeType>, CharEncodingType>
        );
}