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#pragma once
#include <library/cpp/yt/misc/tag_invoke_cpo.h>
// TODO(arkady-e1ppa): Eliminate.
#include <library/cpp/yt/yson_string/string.h>
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
namespace NToAttributeValueImpl {
struct TFn
: public TTagInvokeCpoBase<TFn>
{ };
} // namespace NToAttributeValueImpl
////////////////////////////////////////////////////////////////////////////////
inline constexpr NToAttributeValueImpl::TFn ToAttributeValue = {};
////////////////////////////////////////////////////////////////////////////////
template <class T>
concept CConvertibleToAttributeValue = CTagInvocableS<
TTagInvokeTag<ToAttributeValue>,
NYson::TYsonString(const T&)>;
////////////////////////////////////////////////////////////////////////////////
struct TErrorAttribute
{
// NB(arkady-e1ppa): Switch to std::string is quite possible
// however it requires patching IAttributeDictionary or
// switching it to the std::string first for interop reasons.
// Do that later.
using TKey = TString;
// TODO(arkady-e1ppa): Use ConvertToYsonString(value, Format::Text)
// here for complex values. Write manual implementations as ToString
// for primitive types (e.g. integral types, guid, string, time).
using TValue = NYson::TYsonString;
template <CConvertibleToAttributeValue T>
TErrorAttribute(const TKey& key, const T& value)
: Key(key)
, Value(NYT::ToAttributeValue(value))
{ }
TKey Key;
TValue Value;
};
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
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