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22 lines
517 B
C++
22 lines
517 B
C++
#pragma once
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#include "storage/storage_defines.hpp"
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#include "storage/queued_country.hpp"
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namespace storage
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{
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class QueueInterface
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{
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public:
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using ForEachCountryFunction = std::function<void(QueuedCountry const & country)>;
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virtual bool IsEmpty() const = 0;
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virtual size_t Count() const = 0;
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virtual bool Contains(CountryId const & country) const = 0;
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virtual void ForEachCountry(ForEachCountryFunction const & fn) const = 0;
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protected:
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virtual ~QueueInterface() = default;
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};
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} // namespace storage
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